diff --git a/clang-tools-extra/clangd/CodeComplete.cpp b/clang-tools-extra/clangd/CodeComplete.cpp
--- a/clang-tools-extra/clangd/CodeComplete.cpp
+++ b/clang-tools-extra/clangd/CodeComplete.cpp
@@ -670,8 +670,12 @@
   for (auto *Context : CCContext.getVisitedContexts()) {
     if (isa<TranslationUnitDecl>(Context))
       Scopes.AccessibleScopes.push_back(""); // global namespace
-    else if (isa<NamespaceDecl>(Context))
-      Scopes.AccessibleScopes.push_back(printNamespaceScope(*Context));
+    else if (const auto *ND = dyn_cast<NamespaceDecl>(Context)) {
+      if (ND->isInlineNamespace())
+        Scopes.AccessibleScopes.push_back(printQualifiedName(*ND) + "::");
+      else
+        Scopes.AccessibleScopes.push_back(printNamespaceScope(*ND));
+    }
   }
 
   const CXXScopeSpec *SemaSpecifier =
diff --git a/clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp b/clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp
--- a/clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp
+++ b/clang-tools-extra/clangd/unittests/CodeCompleteTests.cpp
@@ -1700,9 +1700,11 @@
       namespace ns1 {}
       namespace ns2 {} // ignore
       namespace ns3 { namespace nns3 {} }
+      namespace ns4 { inline namespace ns4_inline {} }
       namespace foo {
       using namespace ns1;
       using namespace ns3::nns3;
+      using namespace ns4::ns4_inline;
       }
       namespace ns {
       void f() {
@@ -1711,10 +1713,11 @@
       }
   )cpp");
 
-  EXPECT_THAT(Requests,
-              ElementsAre(Field(
-                  &FuzzyFindRequest::Scopes,
-                  UnorderedElementsAre("foo::", "ns1::", "ns3::nns3::"))));
+  EXPECT_THAT(
+      Requests,
+      ElementsAre(Field(&FuzzyFindRequest::Scopes,
+                        UnorderedElementsAre("foo::", "ns1::", "ns3::nns3::",
+                                             "ns4::ns4_inline::"))));
 }
 
 TEST(CompletionTest, UnresolvedQualifierIdQuery) {