diff --git a/src/rules/namespace.js b/src/rules/namespace.js
index 93e5891594..05e6e19ed1 100644
--- a/src/rules/namespace.js
+++ b/src/rules/namespace.js
@@ -58,7 +58,7 @@ module.exports = {
             return
           }
 
-          for (let specifier of declaration.specifiers) {
+          for (const specifier of declaration.specifiers) {
             switch (specifier.type) {
               case 'ImportNamespaceSpecifier':
                 if (!imports.size) {
@@ -160,8 +160,12 @@ module.exports = {
 
           if (pattern.type !== 'ObjectPattern') return
 
-          for (let property of pattern.properties) {
-            if (property.type === 'ExperimentalRestProperty' || !property.key) {
+          for (const property of pattern.properties) {
+            if (
+              property.type === 'ExperimentalRestProperty'
+              || property.type === 'RestElement'
+              || !property.key
+            ) {
               continue
             }
 
@@ -189,6 +193,17 @@ module.exports = {
 
         testKey(id, namespaces.get(init.name))
       },
+
+      'JSXMemberExpression': function({object, property}) {
+         if (!namespaces.has(object.name)) return
+         var namespace = namespaces.get(object.name)
+         if (!namespace.has(property.name)) {
+           context.report({
+             node: property,
+             message: makeMessage(property, [object.name]),
+           })
+         }
+      },
     }
   },
 }
diff --git a/tests/src/rules/namespace.js b/tests/src/rules/namespace.js
index 1cfee2b54d..7fa8cfcdb9 100644
--- a/tests/src/rules/namespace.js
+++ b/tests/src/rules/namespace.js
@@ -104,6 +104,16 @@ const valid = [
     parser: 'babel-eslint',
   }),
 
+  // JSX
+  test({
+    code: 'import * as Names from "./named-exports"; const Foo = <Names.a/>',
+    parserOptions: {
+      ecmaFeatures: {
+        jsx: true,
+      },
+    },
+  }),
+
   ...SYNTAX_CASES,
 ]
 
@@ -185,6 +195,17 @@ const invalid = [
     errors: [`'default' not found in imported namespace 'ree'.`],
   }),
 
+  // JSX
+  test({
+    code: 'import * as Names from "./named-exports"; const Foo = <Names.e/>',
+    errors: [error('e', 'Names')],
+    parserOptions: {
+      ecmaFeatures: {
+        jsx: true,
+      },
+    },
+  }),
+
 ]
 
 ///////////////////////