diff --git a/clang-tools-extra/clangd/ClangdLSPServer.h b/clang-tools-extra/clangd/ClangdLSPServer.h
--- a/clang-tools-extra/clangd/ClangdLSPServer.h
+++ b/clang-tools-extra/clangd/ClangdLSPServer.h
@@ -115,6 +115,8 @@
                          Callback<std::vector<Location>>);
   void onGoToDefinition(const TextDocumentPositionParams &,
                         Callback<std::vector<Location>>);
+  void onGoToImplementation(const TextDocumentPositionParams &,
+                            Callback<std::vector<Location>>);
   void onReference(const ReferenceParams &, Callback<std::vector<Location>>);
   void onSwitchSourceHeader(const TextDocumentIdentifier &,
                             Callback<llvm::Optional<URIForFile>>);
diff --git a/clang-tools-extra/clangd/ClangdLSPServer.cpp b/clang-tools-extra/clangd/ClangdLSPServer.cpp
--- a/clang-tools-extra/clangd/ClangdLSPServer.cpp
+++ b/clang-tools-extra/clangd/ClangdLSPServer.cpp
@@ -604,6 +604,7 @@
              }},
             {"declarationProvider", true},
             {"definitionProvider", true},
+            {"implementationProvider", true},
             {"documentHighlightProvider", true},
             {"documentLinkProvider",
              llvm::json::Object{
@@ -1291,6 +1292,22 @@
                          });
 }
 
+void ClangdLSPServer::onGoToImplementation(
+    const TextDocumentPositionParams &Params,
+    Callback<std::vector<Location>> Reply) {
+  Server->findImplementations(
+      Params.textDocument.uri.file(), Params.position,
+      [Reply = std::move(Reply)](
+          llvm::Expected<std::vector<LocatedSymbol>> Overrides) mutable {
+        if (!Overrides)
+          return Reply(Overrides.takeError());
+        std::vector<Location> Impls;
+        for (const LocatedSymbol &Sym : *Overrides)
+          Impls.push_back(Sym.PreferredDeclaration);
+        return Reply(std::move(Impls));
+      });
+}
+
 void ClangdLSPServer::onSymbolInfo(const TextDocumentPositionParams &Params,
                                    Callback<std::vector<SymbolDetails>> Reply) {
   Server->symbolInfo(Params.textDocument.uri.file(), Params.position,
@@ -1431,6 +1448,7 @@
   MsgHandler->bind("textDocument/signatureHelp", &ClangdLSPServer::onSignatureHelp);
   MsgHandler->bind("textDocument/definition", &ClangdLSPServer::onGoToDefinition);
   MsgHandler->bind("textDocument/declaration", &ClangdLSPServer::onGoToDeclaration);
+  MsgHandler->bind("textDocument/implementation", &ClangdLSPServer::onGoToImplementation);
   MsgHandler->bind("textDocument/references", &ClangdLSPServer::onReference);
   MsgHandler->bind("textDocument/switchSourceHeader", &ClangdLSPServer::onSwitchSourceHeader);
   MsgHandler->bind("textDocument/prepareRename", &ClangdLSPServer::onPrepareRename);
diff --git a/clang-tools-extra/clangd/ClangdServer.h b/clang-tools-extra/clangd/ClangdServer.h
--- a/clang-tools-extra/clangd/ClangdServer.h
+++ b/clang-tools-extra/clangd/ClangdServer.h
@@ -253,6 +253,10 @@
   /// Retrieve ranges that can be used to fold code within the specified file.
   void foldingRanges(StringRef File, Callback<std::vector<FoldingRange>> CB);
 
+  /// Retrieve implementations for virtual method.
+  void findImplementations(PathRef File, Position Pos,
+                           Callback<std::vector<LocatedSymbol>> CB);
+
   /// Retrieve locations for symbol references.
   void findReferences(PathRef File, Position Pos, uint32_t Limit,
                       Callback<ReferencesResult> CB);
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
@@ -718,6 +718,18 @@
                            TUScheduler::InvalidateOnUpdate);
 }
 
+void ClangdServer::findImplementations(
+    PathRef File, Position Pos, Callback<std::vector<LocatedSymbol>> CB) {
+  auto Action = [Pos, CB = std::move(CB),
+                 this](llvm::Expected<InputsAndAST> InpAST) mutable {
+    if (!InpAST)
+      return CB(InpAST.takeError());
+    CB(clangd::findImplementations(InpAST->AST, Pos, Index));
+  };
+
+  WorkScheduler.runWithAST("Implementations", File, std::move(Action));
+}
+
 void ClangdServer::findReferences(PathRef File, Position Pos, uint32_t Limit,
                                   Callback<ReferencesResult> CB) {
   auto Action = [Pos, Limit, CB = std::move(CB),
diff --git a/clang-tools-extra/clangd/test/implementations.test b/clang-tools-extra/clangd/test/implementations.test
new file mode 100644
--- /dev/null
+++ b/clang-tools-extra/clangd/test/implementations.test
@@ -0,0 +1,39 @@
+# RUN: clangd -lit-test < %s | FileCheck -strict-whitespace %s
+{"jsonrpc":"2.0","id":0,"method":"initialize","params":{"processId":123,"rootPath":"clangd","capabilities":{},"trace":"off"}}
+---
+{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"test:///main.cpp","languageId":"cpp","version":1,"text":"struct Parent { virtual void Foo(); };\nstruct Child1 : Parent { void Foo() override(); };\nstruct Child2 : Parent { void Foo() override(); };"}}}
+---
+{"jsonrpc":"2.0","id":1,"method":"textDocument/implementation","params":{"textDocument":{"uri":"test:///main.cpp"},"position":{"line":0,"character":32}}}
+#      CHECK:  "id": 1
+# CHECK-NEXT:  "jsonrpc": "2.0",
+# CHECK-NEXT:  "result": [
+# CHECK-NEXT:    {
+# CHECK-NEXT:      "range": {
+# CHECK-NEXT:        "end": {
+# CHECK-NEXT:          "character": 33,
+# CHECK-NEXT:          "line": 1
+# CHECK-NEXT:        },
+# CHECK-NEXT:        "start": {
+# CHECK-NEXT:          "character": 30,
+# CHECK-NEXT:          "line": 1
+# CHECK-NEXT:        }
+# CHECK-NEXT:      },
+# CHECK-NEXT:      "uri": "file://{{.*}}/clangd-test/main.cpp"
+# CHECK-NEXT:    },
+# CHECK-NEXT:    {
+# CHECK-NEXT:      "range": {
+# CHECK-NEXT:        "end": {
+# CHECK-NEXT:          "character": 33,
+# CHECK-NEXT:          "line": 2
+# CHECK-NEXT:        },
+# CHECK-NEXT:        "start": {
+# CHECK-NEXT:          "character": 30,
+# CHECK-NEXT:          "line": 2
+# CHECK-NEXT:        }
+# CHECK-NEXT:      },
+# CHECK-NEXT:    "uri": "file://{{.*}}/clangd-test/main.cpp"
+# CHECK-NEXT:  }
+---
+{"jsonrpc":"2.0","id":3,"method":"shutdown"}
+---
+{"jsonrpc":"2.0","method":"exit"}
diff --git a/clang-tools-extra/clangd/test/initialize-params.test b/clang-tools-extra/clangd/test/initialize-params.test
--- a/clang-tools-extra/clangd/test/initialize-params.test
+++ b/clang-tools-extra/clangd/test/initialize-params.test
@@ -67,7 +67,8 @@
 # CHECK-NEXT:        ]
 # CHECK-NEXT:      },
 # CHECK-NEXT:      "hoverProvider": true,
-# CHECK-NEXT:      "memoryUsageProvider": true
+# CHECK-NEXT:      "implementationProvider": true,
+# CHECK-NEXT:      "memoryUsageProvider": true,
 # CHECK-NEXT:      "referencesProvider": true,
 # CHECK-NEXT:      "renameProvider": true,
 # CHECK-NEXT:      "selectionRangeProvider": true,