diff --git a/src/ua-parser.js b/src/ua-parser.js
index 2ed2692..b8b7057 100755
--- a/src/ua-parser.js
+++ b/src/ua-parser.js
@@ -270,9 +270,9 @@
             /fxios\/([-\w\.]+)/i                                                // Firefox for iOS
             ], [VERSION, [NAME, FIREFOX]], [
             /\bqihu|(qi?ho?o?|360)browser/i                                     // 360
-            ], [[NAME, '360 '+BROWSER]], [
-            /(oculus|samsung|sailfish|huawei)browser\/([\w\.]+)/i
-            ], [[NAME, /(.+)/, '$1 '+BROWSER], VERSION], [                      // Oculus/Samsung/Sailfish/Huawei Browser
+            ], [[NAME, '360' + SUFFIX_BROWSER]], [
+            /(oculus|samsung|sailfish|huawei|vivo)browser\/([\w\.]+)/i
+            ], [[NAME, /(.+)/, '$1' + SUFFIX_BROWSER], VERSION], [              // Oculus/Samsung/Sailfish/HuaweiBrowser/VivoBrowser
             /(comodo_dragon)\/([\w\.]+)/i                                       // Comodo Dragon
             ], [[NAME, /_/g, ' '], VERSION], [
             /(electron)\/([\w\.]+) safari/i,                                    // Electron-based App
diff --git a/test/browser-test.json b/test/browser-test.json
index 7221dda..f5a7c61 100644
--- a/test/browser-test.json
+++ b/test/browser-test.json
@@ -1358,6 +1358,26 @@
             "major"   : "1"
         }
     },
+    {
+        "desc"    : "Vivaldi on Mac",
+        "ua"      : "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.88 Safari/537.36 Vivaldi/2.4.1488.36",
+        "expect"  :
+        {
+            "name"    : "Vivaldi",
+            "version" : "2.4.1488.36",
+            "major"   : "2"
+        }
+    },
+    {
+        "desc"    : "Vivo Browser",
+        "ua"      : "Mozilla/5.0 (Linux; Android 13; 23049RAD8C; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/87.0.4280.141 Mobile Safari/537.36 VivoBrowser/16.7.1.1",
+        "expect"  :
+        {
+            "name"    : "Vivo Browser",
+            "version" : "16.7.1.1",
+            "major"   : "16"
+        }
+    },
     {
         "desc"    : "Viera",
         "ua"      : "HbbTV/1.2.1 (;Panasonic;VIERA 2015;3.014;a001-003 4000-0000;)",