diff --git a/clang-tools-extra/clang-tidy/misc/UnusedParametersCheck.cpp b/clang-tools-extra/clang-tidy/misc/UnusedParametersCheck.cpp
--- a/clang-tools-extra/clang-tidy/misc/UnusedParametersCheck.cpp
+++ b/clang-tools-extra/clang-tidy/misc/UnusedParametersCheck.cpp
@@ -174,6 +174,10 @@
   const auto *Function = Result.Nodes.getNodeAs<FunctionDecl>("function");
   if (!Function->hasWrittenPrototype() || Function->isTemplateInstantiation())
     return;
+  if (Function->hasAttrs())
+    for (const clang::Attr *A : Function->getAttrs())
+      if (A->getParsedKind() == Attr::AT_Naked)
+        return;
   if (const auto *Method = dyn_cast<CXXMethodDecl>(Function))
     if (Method->isLambdaStaticInvoker())
       return;
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -14632,8 +14632,16 @@
         Diag(FD->getLocation(), diag::ext_pure_function_definition);
 
       if (!FD->isInvalidDecl()) {
+        bool FDHasNakedAttr{false};
+        if (FD->hasAttrs())
+          for (const clang::Attr *A : FD->getAttrs())
+            if (A->getParsedKind() == Attr::AT_Naked) {
+              FDHasNakedAttr = true;
+              break;
+            }
         // Don't diagnose unused parameters of defaulted or deleted functions.
-        if (!FD->isDeleted() && !FD->isDefaulted() && !FD->hasSkippedBody())
+        if (!FD->isDeleted() && !FD->isDefaulted() && !FD->hasSkippedBody() &&
+            !FDHasNakedAttr)
           DiagnoseUnusedParameters(FD->parameters());
         DiagnoseSizeOfParametersAndReturnValue(FD->parameters(),
                                                FD->getReturnType(), FD);