diff --git a/change/react-native-windows-2019-12-20-12-33-14-master.json b/change/react-native-windows-2019-12-20-12-33-14-master.json
new file mode 100644
index 00000000000..604c6eb3fe6
--- /dev/null
+++ b/change/react-native-windows-2019-12-20-12-33-14-master.json
@@ -0,0 +1,8 @@
+{
+  "type": "prerelease",
+  "comment": "Export ability to query native module names",
+  "packageName": "react-native-windows",
+  "email": "ngerlem@microsoft.com",
+  "commit": "5ff50e103744a589228c020ef0fad45d699458cd",
+  "date": "2019-12-20T20:33:14.307Z"
+}
\ No newline at end of file
diff --git a/vnext/Desktop.DLL/react-native-win32.x64.def b/vnext/Desktop.DLL/react-native-win32.x64.def
index 2fcb7db42ad..1c4939d4444 100644
--- a/vnext/Desktop.DLL/react-native-win32.x64.def
+++ b/vnext/Desktop.DLL/react-native-win32.x64.def
@@ -40,6 +40,7 @@ EXPORTS
 ?get_ptrImpl@dynamic@folly@@AEGBAPEBU12@AEBU12@@Z
 ?hash@dynamic@folly@@QEBA_KXZ
 ?makeConversionError@folly@@YA?AVConversionError@1@W4ConversionCode@1@V?$Range@PEBD@1@@Z
+?moduleNames@ModuleRegistry@react@facebook@@QEAA?AV?$vector@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@V?$allocator@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@2@@std@@XZ
 ?parseJson@folly@@YA?AUdynamic@1@V?$Range@PEBD@1@@Z
 ?setGlobalVariable@Instance@react@facebook@@QEAAXV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@V?$unique_ptr@$$CBVJSBigString@react@facebook@@U?$default_delete@$$CBVJSBigString@react@facebook@@@std@@@5@@Z
 ?size@dynamic@folly@@QEBA_KXZ
diff --git a/vnext/Desktop.DLL/react-native-win32.x86.def b/vnext/Desktop.DLL/react-native-win32.x86.def
index eb56c60f170..3ae99c59aa4 100644
--- a/vnext/Desktop.DLL/react-native-win32.x86.def
+++ b/vnext/Desktop.DLL/react-native-win32.x86.def
@@ -27,6 +27,7 @@ EXPORTS
 ?Make@IWebSocket@React@Microsoft@@SG?AV?$unique_ptr@UIWebSocket@React@Microsoft@@U?$default_delete@UIWebSocket@React@Microsoft@@@std@@@std@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@5@@Z
 ?Make@JSBigAbiString@react@facebook@@SG?AV?$unique_ptr@$$CBUJSBigAbiString@react@facebook@@U?$default_delete@$$CBUJSBigAbiString@react@facebook@@@std@@@std@@$$QAV?$unique_ptr@U?$IAbiArray@D@AbiSafe@@UAbiObjectDeleter@2@@5@@Z
 ?MakeMemoryMappedBuffer@JSI@Microsoft@@YG?AV?$shared_ptr@VBuffer@jsi@facebook@@@std@@QB_WI@Z
+?moduleNames@ModuleRegistry@react@facebook@@QAE?AV?$vector@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@V?$allocator@V?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@2@@std@@XZ
 ?at@dynamic@folly@@QGBEABU12@V?$Range@PBD@2@@Z
 ?atImpl@dynamic@folly@@AGBEABU12@ABU12@@Z
 ?callJSFunction@Instance@react@facebook@@QAEX$$QAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@0$$QAUdynamic@folly@@@Z