diff --git a/README.md b/README.md
index 627c14f15..918f80ec5 100644
--- a/README.md
+++ b/README.md
@@ -64,6 +64,7 @@ $ bower install validator-js
 - **isJSON(str)** - check if the string is valid JSON (note: uses JSON.parse).
 - **isLength(str, min [, max])** - check if the string's length falls in a range. Note: this function takes into account surrogate pairs.
 - **isLowercase(str)** - check if the string is lowercase.
+- **isMACAddress(str)** - check if the string is a MAC address.
 - **isMobilePhone(str, locale)** - check if the string is a mobile phone number, (locale is one of `['zh-CN', 'zh-TW', 'en-ZA', 'en-AU', 'en-HK', 'pt-PT', 'fr-FR', 'el-GR', 'en-GB', 'en-US', 'en-ZM', 'ru-RU', 'nb-NO', 'nn-NO', 'vi-VN', 'en-NZ']`).
 - **isMongoId(str)** - check if the string is a valid hex-encoded representation of a [MongoDB ObjectId][mongoid].
 - **isMultibyte(str)** - check if the string contains one or more multibyte chars.
diff --git a/test/validators.js b/test/validators.js
index 76e97a58f..15fec1342 100644
--- a/test/validators.js
+++ b/test/validators.js
@@ -397,6 +397,25 @@ describe('Validators', function () {
         });
     });
 
+    it('should validate MAC addresses', function () {
+        test({
+            validator: 'isMACAddress',
+            valid: [
+                'ab:ab:ab:ab:ab:ab',
+                'FF:FF:FF:FF:FF:FF',
+                '01:02:03:04:05:ab',
+                '01:AB:03:04:05:06'
+            ],
+            invalid: [
+                'abc',
+                '01:02:03:04:05',
+                '01:02:03:04::ab',
+                '1:2:3:4:5:6',
+                'AB:CD:EF:GH:01:02'
+            ]
+        });
+    });
+
     it('should validate IP addresses', function () {
         test({
             validator: 'isIP'
diff --git a/validator.js b/validator.js
index 71c2de36c..9f3909bff 100644
--- a/validator.js
+++ b/validator.js
@@ -52,6 +52,8 @@
     var isbn10Maybe = /^(?:[0-9]{9}X|[0-9]{10})$/
       , isbn13Maybe = /^(?:[0-9]{13})$/;
 
+    var macAddress = /^([0-9a-fA-F][0-9a-fA-F]:){5}([0-9a-fA-F][0-9a-fA-F])$/;
+
     var ipv4Maybe = /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/
       , ipv6Block = /^[0-9A-F]{1,4}$/i;
 
@@ -295,6 +297,10 @@
         return true;
     };
 
+    validator.isMACAddress = function (str) {
+        return macAddress.test(str);
+    };
+
     validator.isIP = function (str, version) {
         version = validator.toString(version);
         if (!version) {
diff --git a/validator.min.js b/validator.min.js
index 1e76b5bbf..7c391b477 100644
--- a/validator.min.js
+++ b/validator.min.js
@@ -20,4 +20,4 @@
  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
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