diff --git a/clang-tools-extra/clangd/ClangdServer.cpp b/clang-tools-extra/clangd/ClangdServer.cpp
--- a/clang-tools-extra/clangd/ClangdServer.cpp
+++ b/clang-tools-extra/clangd/ClangdServer.cpp
@@ -318,6 +318,12 @@
       // the message to users (VSCode does).
       return CB(Changes.takeError());
     }
+    // FIXME: this is not always correct with SelectionTree behavior, e.g.
+    //     t^emplate <typename T>
+    //     class Foo {};
+    // When we trigger rename on the above cursor, we will rename the template
+    // class Foo, but the token under the cursor is not corresponding to the
+    // "Foo" range, though the final result is correct.
     SourceLocation Loc = getBeginningOfIdentifier(
         Pos, AST.getSourceManager(), AST.getASTContext().getLangOpts());
     if (auto Range = getTokenRange(AST.getSourceManager(),
diff --git a/clang-tools-extra/clangd/refactor/Rename.cpp b/clang-tools-extra/clangd/refactor/Rename.cpp
--- a/clang-tools-extra/clangd/refactor/Rename.cpp
+++ b/clang-tools-extra/clangd/refactor/Rename.cpp
@@ -8,14 +8,15 @@
 
 #include "refactor/Rename.h"
 #include "AST.h"
+#include "FindTarget.h"
 #include "Logger.h"
 #include "ParsedAST.h"
+#include "Selection.h"
 #include "SourceCode.h"
 #include "index/SymbolCollector.h"
-#include "clang/Tooling/Refactoring/Rename/RenamingAction.h"
-#include "clang/Tooling/Refactoring/Rename/USRFinder.h"
+#include "clang/AST/DeclCXX.h"
+#include "clang/AST/DeclTemplate.h"
 #include "clang/Tooling/Refactoring/Rename/USRFindingAction.h"
-#include "clang/Tooling/Refactoring/Rename/USRLocFinder.h"
 
 namespace clang {
 namespace clangd {
@@ -56,12 +57,31 @@
   return OtherFile;
 }
 
+llvm::DenseSet<const Decl *> locateDeclAt(ParsedAST &AST, Position P) {
+  const auto &SM = AST.getSourceManager();
+  llvm::StringRef SourceCode = SM.getBufferData(SM.getMainFileID());
+  auto Offset = positionToOffset(SourceCode, P);
+  if (!Offset) {
+    elog("Fail to convert position to offset: {0}", Offset.takeError());
+    return {};
+  }
+  SelectionTree Selection(AST.getASTContext(), AST.getTokens(), *Offset);
+  llvm::DenseSet<const Decl *> Result;
+  if (const SelectionTree::Node *N = Selection.commonAncestor()) {
+    for (const auto *D : targetDecl(
+             N->ASTNode, DeclRelation::Alias | DeclRelation::TemplatePattern))
+      Result.insert(D);
+  }
+  return Result;
+}
+
 enum ReasonToReject {
   NoSymbolFound,
   NoIndexProvided,
   NonIndexable,
   UsedOutsideFile,
   UnsupportedSymbol,
+  AmbiguousSymbol,
 };
 
 // Check the symbol Decl is renameable (per the index) within the file.
@@ -125,6 +145,8 @@
       return "symbol may be used in other files (not eligible for indexing)";
     case UnsupportedSymbol:
       return "symbol is not a supported kind (e.g. namespace, macro)";
+    case AmbiguousSymbol:
+      return "there are multiple symbols at the given location";
     }
     llvm_unreachable("unhandled reason kind");
   };
@@ -133,23 +155,43 @@
       llvm::inconvertibleErrorCode());
 }
 
+const NamedDecl &getPrimaryTemplateOrThis(const NamedDecl &ND) {
+  if (const auto *T = ND.getDescribedTemplate())
+    return *T;
+  return ND;
+}
+
 // Return all rename occurrences in the main file.
-tooling::SymbolOccurrences
-findOccurrencesWithinFile(ParsedAST &AST, const NamedDecl *RenameDecl) {
-  const NamedDecl *CanonicalRenameDecl =
-      tooling::getCanonicalSymbolDeclaration(RenameDecl);
-  assert(CanonicalRenameDecl && "RenameDecl must be not null");
-  std::vector<std::string> RenameUSRs =
-      tooling::getUSRsForDeclaration(CanonicalRenameDecl, AST.getASTContext());
-  std::string OldName = CanonicalRenameDecl->getNameAsString();
-  tooling::SymbolOccurrences Result;
+std::vector<SourceLocation> findOccurrencesWithinFile(ParsedAST &AST,
+                                                      const NamedDecl &ND) {
+  // In theory, locateDeclAt should return the primary template. However, if the
+  // cursor is under the underlying CXXRecordDecl of the ClassTemplateDecl, ND
+  // will be the CXXRecordDecl, for this case, we need to get the primary
+  // template maunally.
+  const auto &RenameDecl = getPrimaryTemplateOrThis(ND);
+  // FIXME: get rid of the remaining tooling APIs.
+  std::vector<std::string> RenameUSRs = tooling::getUSRsForDeclaration(
+      tooling::getCanonicalSymbolDeclaration(&RenameDecl), AST.getASTContext());
+  llvm::DenseSet<SymbolID> TargetIDs;
+  for (auto &USR : RenameUSRs)
+    TargetIDs.insert(SymbolID(USR));
+
+  std::vector<SourceLocation> Results;
   for (Decl *TopLevelDecl : AST.getLocalTopLevelDecls()) {
-    tooling::SymbolOccurrences RenameInDecl =
-        tooling::getOccurrencesOfUSRs(RenameUSRs, OldName, TopLevelDecl);
-    Result.insert(Result.end(), std::make_move_iterator(RenameInDecl.begin()),
-                  std::make_move_iterator(RenameInDecl.end()));
+    findExplicitReferences(TopLevelDecl, [&](ReferenceLoc Ref) {
+      if (Ref.Targets.empty())
+        return;
+      for (const auto *Target : Ref.Targets) {
+        auto ID = getSymbolID(Target);
+        assert(ID);
+        if (TargetIDs.find(*ID) == TargetIDs.end())
+          return;
+      }
+      Results.push_back(Ref.NameLoc);
+    });
   }
-  return Result;
+
+  return Results;
 }
 
 } // namespace
@@ -165,30 +207,28 @@
   if (locateMacroAt(SourceLocationBeg, AST.getPreprocessor()))
     return makeError(UnsupportedSymbol);
 
-  const auto *RenameDecl =
-      tooling::getNamedDeclAt(AST.getASTContext(), SourceLocationBeg);
-  if (!RenameDecl)
+  auto DeclsUnderCursor = locateDeclAt(AST, Pos);
+  if (DeclsUnderCursor.empty())
     return makeError(NoSymbolFound);
+  if (DeclsUnderCursor.size() > 1)
+    return makeError(AmbiguousSymbol);
+
+  const auto *RenameDecl = llvm::dyn_cast<NamedDecl>(*DeclsUnderCursor.begin());
+  if (!RenameDecl)
+    return makeError(UnsupportedSymbol);
 
   if (auto Reject =
           renamableWithinFile(*RenameDecl->getCanonicalDecl(), File, Index))
     return makeError(*Reject);
 
-  // Rename sometimes returns duplicate edits (which is a bug). A side-effect of
-  // adding them to a single Replacements object is these are deduplicated.
   tooling::Replacements FilteredChanges;
-  for (const tooling::SymbolOccurrence &Rename :
-       findOccurrencesWithinFile(AST, RenameDecl)) {
-    // Currently, we only support normal rename (one range) for C/C++.
-    // FIXME: support multiple-range rename for objective-c methods.
-    if (Rename.getNameRanges().size() > 1)
-      continue;
-    // We shouldn't have conflicting replacements. If there are conflicts, it
-    // means that we have bugs either in clangd or in Rename library, therefore
-    // we refuse to perform the rename.
+  for (SourceLocation Loc : findOccurrencesWithinFile(AST, *RenameDecl)) {
+    // We shouldn't have conflicting replacements or replacements from different
+    // files. If there are conflicts, it means that we have bugs either in
+    // clangd or in findExplicitReferences, therefore we refuse to perform the
+    // rename.
     if (auto Err = FilteredChanges.add(tooling::Replacement(
-            AST.getASTContext().getSourceManager(),
-            CharSourceRange::getCharRange(Rename.getNameRanges()[0]), NewName)))
+            SM, CharSourceRange::getTokenRange(Loc), NewName)))
       return std::move(Err);
   }
   return FilteredChanges;
diff --git a/clang-tools-extra/clangd/unittests/RenameTests.cpp b/clang-tools-extra/clangd/unittests/RenameTests.cpp
--- a/clang-tools-extra/clangd/unittests/RenameTests.cpp
+++ b/clang-tools-extra/clangd/unittests/RenameTests.cpp
@@ -38,8 +38,8 @@
   return Result;
 }
 
-TEST(RenameTest, SingleFile) {
-  // "^" points to the position of the rename, and "[[]]" ranges point to the
+TEST(RenameTest, WithinFileRename) {
+  // rename is runnning on all "^" points, and "[[]]" ranges point to the
   // identifier that is being renamed.
   llvm::StringRef Tests[] = {
       // Rename function.
@@ -66,18 +66,313 @@
           }
         }
       )cpp",
+
+      R"cpp(
+        class [[F^oo]] {};
+        template <typename T> void func() {}
+        template <typename T> class Baz {};
+        int main() {
+          func<[[F^oo]]>();
+          Baz<[[F^oo]]> obj;
+          return 0;
+        }
+      )cpp",
+
+      // class simple rename
+      R"cpp(
+        class [[F^oo]] {
+          void foo(int x);
+        };
+        void [[Foo]]::foo(int x) {}
+      )cpp",
+
+      // class constructor/destructor.
+      R"cpp(
+        class [[Foo^]] {
+          [[F^oo]]();
+          ~[[F^oo]]();
+        };
+      )cpp",
+
+      // class overrides
+      R"cpp(
+        struct A {
+         virtual void [[f^oo]]() {}
+        };
+        struct B : A {
+          void [[f^oo]]() override {}
+        };
+        struct C : B {
+          void [[f^oo]]() override {}
+        };
+
+        void func() {
+          A().[[f^oo]]();
+          B().[[f^oo]]();
+          C().[[f^oo]]();
+        }
+      )cpp",
+
+      // complicated class type
+      R"cpp(
+         // Forward declaration.
+        class [[Fo^o]];
+        class Baz {
+          virtual int getValue() const = 0;
+        };
+
+        class [[F^oo]] : public Baz  {
+        public:
+          [[Foo]](int value = 0) : x(value) {}
+
+          [[Foo]] &operator++(int);
+
+          bool operator<([[Foo]] const &rhs);
+          int getValue() const;
+        private:
+          int x;
+        };
+
+        void func() {
+          [[Foo]] *Pointer = 0;
+          [[Foo]] Variable = [[Foo]](10);
+          for ([[Foo]] it; it < Variable; it++);
+          const [[Foo]] *C = new [[Foo]]();
+          const_cast<[[Foo]] *>(C)->getValue();
+          [[Foo]] foo;
+          const Baz &BazReference = foo;
+          const Baz *BazPointer = &foo;
+          dynamic_cast<const [[^Foo]] &>(BazReference).getValue();
+          dynamic_cast<const [[^Foo]] *>(BazPointer)->getValue();
+          reinterpret_cast<const [[^Foo]] *>(BazPointer)->getValue();
+          static_cast<const [[^Foo]] &>(BazReference).getValue();
+          static_cast<const [[^Foo]] *>(BazPointer)->getValue();
+        }
+      )cpp",
+
+      // class constructors
+      R"cpp(
+        class [[^Foo]] {
+        public:
+          [[Foo]]();
+        };
+
+        [[Foo]]::[[Fo^o]]() {}
+      )cpp",
+
+      // constructor initializer list
+      R"cpp(
+        class Baz {};
+        class Qux {
+          Baz [[F^oo]];
+        public:
+          Qux();
+        };
+        // FIXME: selection tree on initializer list Foo below will returns
+        // CXXConstructExpr node, which ends up with renaming class "Baze"
+        // instead of "Foo".
+        Qux::Qux() : [[Foo]]() {}
+      )cpp",
+
+      // DeclRefExpr
+      R"cpp(
+        class C {
+        public:
+          static int [[F^oo]];
+        };
+
+        int foo(int x) { return 0; }
+        #define MACRO(a) foo(a)
+
+        void func() {
+          C::[[F^oo]] = 1;
+          MACRO(C::[[Foo]]);
+          int y = C::[[F^oo]];
+        }
+      )cpp",
+
+      // Forward declaration
+      R"cpp(
+        class [[F^oo]];
+        [[Foo]] *f();
+      )cpp",
+
+      // function marco
+      R"cpp(
+        #define moo [[foo]]
+        int [[fo^o]]() { return 42; }
+        void boo(int value) {}
+
+        void qoo() {
+          [[foo]]();
+          boo([[foo]]());
+          moo();
+          boo(moo());
+        }
+      )cpp",
+
+      // MemberExpr in macro
+      R"cpp(
+        class Baz {
+        public:
+          int [[F^oo]];
+        };
+        int qux(int x) { return 0; }
+        #define MACRO(a) qux(a)
+
+        int main() {
+          Baz baz;
+          baz.[[Foo]] = 1;
+          MACRO(baz.[[Foo]]);
+          int y = baz.[[Foo]];
+        }
+      )cpp",
+
+      // template class instantiations
+      R"cpp(
+        template <typename T>
+        class [[F^oo]] {
+        public:
+          T foo(T arg, T& ref, T* ptr) {
+            T value;
+            int number = 42;
+            value = (T)number;
+            value = static_cast<T>(number);
+            return value;
+          }
+          static void foo(T value) {}
+          T member;
+        };
+
+        template <typename T>
+        void func() {
+          [[F^oo]]<T> obj;
+          obj.member = T();
+          [[Foo]]<T>::foo();
+        }
+
+        int main() {
+          [[F^oo]]<int> i;
+          i.member = 0;
+          [[F^oo]]<int>::foo(0);
+
+          [[F^oo]]<bool> b;
+          b.member = false;
+          [[Foo]]<bool>::foo(false);
+
+          return 0;
+        }
+      )cpp",
+
+      // template arguments
+      R"cpp(
+        template <typename [[^T]]>
+        class Foo {
+          [[T]] foo([[T]] arg, [[T]]& ref, [[^T]]* ptr) {
+            [[T]] value;
+            int number = 42;
+            value = ([[T]])number;
+            value = static_cast<[[^T]]>(number);
+            return value;
+          }
+          static void foo([[T]] value) {}
+          [[T]] member;
+        };
+      )cpp",
+
+      // template class methods
+      R"cpp(
+        template <typename T>
+        class A {
+        public:
+          void [[f^oo]]() {}
+        };
+
+        void func() {
+          A<int> a;
+          A<double> b;
+          A<float> c;
+          a.[[f^oo]]();
+          b.[[f^oo]]();
+          c.[[f^oo]]();
+        }
+      )cpp",
+
+      // typedef
+      R"cpp(
+        namespace std {
+        class basic_string {};
+        typedef basic_string [[s^tring]];
+        } // namespace std
+
+        std::[[s^tring]] foo();
+      )cpp",
+
+      // variable
+      R"cpp(
+        #define NAMESPACE namespace A
+        NAMESPACE {
+        int [[F^oo]];
+        }
+        int Foo;
+        int Qux = Foo;
+        int Baz = A::[[^Foo]];
+        void fun() {
+          struct {
+            int Foo;
+          } b = {100};
+          int Foo = 100;
+          Baz = Foo;
+          {
+            extern int Foo;
+            Baz = Foo;
+            Foo = A::[[F^oo]] + Baz;
+            A::[[Fo^o]] = b.Foo;
+          }
+          Foo = b.Foo;
+        }
+      )cpp",
+
+      // namespace alias
+      R"cpp(
+        namespace a { namespace b { void foo(); } }
+        namespace [[^x]] = a::b;
+        void bar() {
+          [[x]]::foo();
+        }
+      )cpp",
+
+      // scope enums
+      R"cpp(
+        enum class [[K^ind]] { ABC };
+        void ff() {
+          [[K^ind]] s;
+          s = [[Kind]]::ABC;
+        }
+      )cpp",
+
+      // references in template argument lists
+      R"cpp(
+        template<typename T>
+        class [[Fo^o]] {};
+        template <template<typename> class Z> struct Bar { };
+        template <> struct Bar<[[Foo]]> {};
+      )cpp",
   };
   for (const auto T : Tests) {
     Annotations Code(T);
     auto TU = TestTU::withCode(Code.code());
     auto AST = TU.build();
     llvm::StringRef NewName = "abcde";
-    auto RenameResult =
-        renameWithinFile(AST, testPath(TU.Filename), Code.point(), NewName);
-    ASSERT_TRUE(bool(RenameResult)) << RenameResult.takeError();
-    auto ApplyResult = llvm::cantFail(
-        tooling::applyAllReplacements(Code.code(), *RenameResult));
-    EXPECT_EQ(expectedResult(Code, NewName), ApplyResult);
+
+    for (const auto &RenamePos : Code.points()) {
+      auto RenameResult =
+          renameWithinFile(AST, testPath(TU.Filename), RenamePos, NewName);
+      ASSERT_TRUE(bool(RenameResult)) << RenameResult.takeError() << T;
+      auto ApplyResult = llvm::cantFail(
+          tooling::applyAllReplacements(Code.code(), *RenameResult));
+      EXPECT_EQ(expectedResult(Code, NewName), ApplyResult);
+    }
   }
 }
 
@@ -148,12 +443,21 @@
 
       {R"cpp(// foo is declared outside the file.
         void fo^o() {}
-      )cpp", "used outside main file", !HeaderFile /*cc file*/, Index},
+      )cpp",
+       "used outside main file", !HeaderFile /*cc file*/, Index},
 
       {R"cpp(
          // We should detect the symbol is used outside the file from the AST.
          void fo^o() {})cpp",
        "used outside main file", !HeaderFile, nullptr /*no index*/},
+
+      {R"cpp(
+         void foo(int);
+         void foo(char);
+         template <typename T> void f(T t) {
+           fo^o(t);
+         })cpp",
+       "multiple symbols", !HeaderFile, nullptr /*no index*/},
   };
 
   for (const auto& Case : Cases) {