diff --git a/lld/ELF/Driver.cpp b/lld/ELF/Driver.cpp
--- a/lld/ELF/Driver.cpp
+++ b/lld/ELF/Driver.cpp
@@ -50,6 +50,7 @@
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Compression.h"
+#include "llvm/Support/GlobPattern.h"
 #include "llvm/Support/LEB128.h"
 #include "llvm/Support/Path.h"
 #include "llvm/Support/TarWriter.h"
@@ -1318,8 +1319,35 @@
     Visit(File);
 }
 
+// A helper function for -u to do wildcard pattern match.
+static void handleUndefinedWildcard(const GlobPattern &Pat) {
+  std::vector<Symbol *> Syms;
+
+  Symtab->forEachSymbol([&](Symbol *Sym) {
+    // Calling Sym->fetch() from here not safe as it may add new
+    // symbols to the symbol table, invalidating the current iterator.
+    // So we just keep a note.
+    if (Pat.match(Sym->getName()))
+      Syms.push_back(Sym);
+  });
+
+  for (Symbol *Sym : Syms) {
+    Sym->IsUsedInRegularObj = true;
+    if (Sym->isLazy())
+      Sym->fetch();
+  }
+}
+
 // Force Sym to be entered in the output. Used for -u or equivalent.
 static void handleUndefined(StringRef Name) {
+  if (Name.contains('*') || Name.contains('?') || Name.contains('[')) {
+    Expected<GlobPattern> Pat = GlobPattern::create(Name);
+    if (Pat) {
+      handleUndefinedWildcard(*Pat);
+      return;
+    }
+  }
+
   Symbol *Sym = Symtab->find(Name);
   if (!Sym)
     return;
diff --git a/lld/docs/ld.lld.1 b/lld/docs/ld.lld.1
--- a/lld/docs/ld.lld.1
+++ b/lld/docs/ld.lld.1
@@ -506,7 +506,8 @@
 .It Fl -undefined Ns = Ns Ar symbol , Fl u Ar symbol
 Force
 .Ar symbol
-to be an undefined symbol during linking.
+to be an undefined symbol during linking. You can use wildcard patterns in
+.Ar symbol .
 .It Fl -unresolved-symbols Ns = Ns Ar value
 Determine how to handle unresolved symbols.
 .It Fl -use-android-relr-tags
diff --git a/lld/test/ELF/undefined-wildcard.s b/lld/test/ELF/undefined-wildcard.s
new file mode 100644
--- /dev/null
+++ b/lld/test/ELF/undefined-wildcard.s
@@ -0,0 +1,53 @@
+# REQUIRES: x86
+
+# RUN: echo '.globl foo1; foo1:' | \
+# RUN:   llvm-mc -filetype=obj -triple=x86_64-unknown-linux - -o %t1.o
+# RUN: echo '.globl foo2; foo2:' | \
+# RUN:   llvm-mc -filetype=obj -triple=x86_64-unknown-linux - -o %t2.o
+# RUN: echo '.globl foo32; foo32:' | \
+# RUN:   llvm-mc -filetype=obj -triple=x86_64-unknown-linux - -o %t3.o
+# RUN: echo '.globl bar; bar:' | \
+# RUN:   llvm-mc -filetype=obj -triple=x86_64-unknown-linux - -o %t4.o
+# RUN: rm -f %t.a
+# RUN: llvm-ar rcs %t.a %t1.o %t2.o %t3.o %t4.o
+
+# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
+
+# RUN: ld.lld -o %t.exe %t.o %t.a
+# RUN: llvm-readobj --symbols %t.exe | FileCheck --check-prefix=NO-OPT %s
+
+# NO-OPT-NOT: foo
+# NO-OPT-NOT: bar
+
+# RUN: ld.lld -o %t.exe %t.o %t.a -u foo1
+# RUN: llvm-readobj --symbols %t.exe | FileCheck --check-prefix=FOO1 %s
+
+# FOO1: foo1
+# FOO1-NOT: foo2
+
+# RUN: ld.lld -o %t.exe %t.o %t.a -u 'foo*'
+# RUN: llvm-readobj --symbols %t.exe | FileCheck --check-prefix=FOO-STAR %s
+
+# FOO-STAR: foo1
+# FOO-STAR: foo2
+# FOO-STAR: foo32
+# FOO-STAR-NOT: bar
+
+# RUN: ld.lld -o %t.exe %t.o %t.a -u 'foo?'
+# RUN: llvm-readobj --symbols %t.exe | FileCheck --check-prefix=FOO-Q %s
+
+# FOO-Q: foo1
+# FOO-Q: foo2
+# FOO-Q-NOT: foo32
+# FOO-Q-NOT: bar
+
+# RUN: ld.lld -o %t.exe %t.o %t.a -u 'foo[13]*'
+# RUN: llvm-readobj --symbols %t.exe | FileCheck --check-prefix=FOO13 %s
+
+# FOO13: foo1
+# FOO13-NOT: foo2
+# FOO13: foo32
+# FOO13-NOT: bar
+
+.globl _start
+_start: