Index: clang/lib/Driver/ToolChains/CommonArgs.h
===================================================================
--- clang/lib/Driver/ToolChains/CommonArgs.h
+++ clang/lib/Driver/ToolChains/CommonArgs.h
@@ -121,7 +121,8 @@
                       bool IsOffloadingHost = false, bool GompNeedsRT = false);
 
 /// Adds Fortran runtime libraries to \p CmdArgs.
-void addFortranRuntimeLibs(llvm::opt::ArgStringList &CmdArgs);
+void addFortranRuntimeLibs(const ToolChain &TC,
+                           llvm::opt::ArgStringList &CmdArgs);
 
 /// Adds the path for the Fortran runtime libraries to \p CmdArgs.
 void addFortranRuntimeLibraryPath(const ToolChain &TC,
Index: clang/lib/Driver/ToolChains/CommonArgs.cpp
===================================================================
--- clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -748,10 +748,17 @@
   return true;
 }
 
-void tools::addFortranRuntimeLibs(llvm::opt::ArgStringList &CmdArgs) {
-  CmdArgs.push_back("-lFortran_main");
-  CmdArgs.push_back("-lFortranRuntime");
-  CmdArgs.push_back("-lFortranDecimal");
+void tools::addFortranRuntimeLibs(const ToolChain &TC,
+                                  llvm::opt::ArgStringList &CmdArgs) {
+  if (TC.getTriple().isOSWindows()) {
+    CmdArgs.push_back("Fortran_main.lib");
+    CmdArgs.push_back("FortranRuntime.lib");
+    CmdArgs.push_back("FortranDecimal.lib");
+  } else {
+    CmdArgs.push_back("-lFortran_main");
+    CmdArgs.push_back("-lFortranRuntime");
+    CmdArgs.push_back("-lFortranDecimal");
+  }
 }
 
 void tools::addFortranRuntimeLibraryPath(const ToolChain &TC,
@@ -764,7 +771,10 @@
   SmallString<256> DefaultLibPath =
       llvm::sys::path::parent_path(TC.getDriver().Dir);
   llvm::sys::path::append(DefaultLibPath, "lib");
-  CmdArgs.push_back(Args.MakeArgString("-L" + DefaultLibPath));
+  if (TC.getTriple().isOSWindows())
+    CmdArgs.push_back(Args.MakeArgString("-libpath:" + DefaultLibPath));
+  else
+    CmdArgs.push_back(Args.MakeArgString("-L" + DefaultLibPath));
 }
 
 static void addSanitizerRuntime(const ToolChain &TC, const ArgList &Args,
Index: clang/lib/Driver/ToolChains/Darwin.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Darwin.cpp
+++ clang/lib/Driver/ToolChains/Darwin.cpp
@@ -644,7 +644,7 @@
   if (getToolChain().getDriver().IsFlangMode() &&
       Args.hasArg(options::OPT_flang_experimental_exec)) {
     addFortranRuntimeLibraryPath(getToolChain(), Args, CmdArgs);
-    addFortranRuntimeLibs(CmdArgs);
+    addFortranRuntimeLibs(getToolChain(), CmdArgs);
   }
 
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs))
Index: clang/lib/Driver/ToolChains/Gnu.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Gnu.cpp
+++ clang/lib/Driver/ToolChains/Gnu.cpp
@@ -599,7 +599,7 @@
   // TODO: Make this work unconditionally once Flang is mature enough.
   if (D.IsFlangMode() && Args.hasArg(options::OPT_flang_experimental_exec)) {
     addFortranRuntimeLibraryPath(ToolChain, Args, CmdArgs);
-    addFortranRuntimeLibs(CmdArgs);
+    addFortranRuntimeLibs(ToolChain, CmdArgs);
     CmdArgs.push_back("-lm");
   }
 
Index: clang/lib/Driver/ToolChains/MSVC.cpp
===================================================================
--- clang/lib/Driver/ToolChains/MSVC.cpp
+++ clang/lib/Driver/ToolChains/MSVC.cpp
@@ -81,7 +81,7 @@
         Args.MakeArgString(std::string("-out:") + Output.getFilename()));
 
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles) &&
-      !C.getDriver().IsCLMode()) {
+      !C.getDriver().IsCLMode() && !C.getDriver().IsFlangMode()) {
     CmdArgs.push_back("-defaultlib:libcmt");
     CmdArgs.push_back("-defaultlib:oldnames");
   }
@@ -130,6 +130,11 @@
           Args.MakeArgString(std::string("-libpath:") + WindowsSdkLibPath));
   }
 
+  if (C.getDriver().IsFlangMode()) {
+    tools::addFortranRuntimeLibraryPath(TC, Args, CmdArgs);
+    tools::addFortranRuntimeLibs(TC, CmdArgs);
+  }
+
   // Add the compiler-rt library directories to libpath if they exist to help
   // the linker find the various sanitizer, builtin, and profiling runtimes.
   for (const auto &LibPath : TC.getLibraryPaths()) {
Index: flang/test/Driver/linker-flags-windows.f90
===================================================================
--- /dev/null
+++ flang/test/Driver/linker-flags-windows.f90
@@ -0,0 +1,24 @@
+! Verify that the Fortran runtime libraries are present in the linker
+! invocation. These libraries are added on top of other standard runtime
+! libraries that the Clang driver will include.
+
+! NOTE: The additional linker flags tested here are currently specified in
+! clang/lib/Driver/Toolchains/MSVC.cpp.
+! REQUIRES: system-windows
+
+! RUN: %flang -### %S/Inputs/hello.f90 2>&1 | FileCheck %s
+
+! Compiler invocation to generate the object file
+! CHECK-LABEL: {{.*}} "-emit-obj"
+! CHECK-SAME:  "-o" "[[object_file:.*]]" {{.*}}Inputs/hello.f90
+
+! Linker invocation to generate the executable
+! NOTE: This check should also match if the default linker is lld-link.exe
+! CHECK-LABEL: link.exe
+! CHECK-NOT: libcmt
+! CHECK-NOT: oldnames
+! CHECK-SAME: Fortran_main.lib
+! CHECK-SAME: FortranRuntime.lib
+! CHECK-SAME: FortranDecimal.lib
+! CHECK-SAME: "[[object_file]]"
+