科曼多尔群岛（英语：Commander Islands，俄语：Командорские острова，也称Komandorski Islands）是俄罗斯在太平洋沿岸的一个火山岛群，位于堪察加半岛以东200公里的太平洋北部白令海附近，也是阿留申群岛的最西端，虽然本群岛和阿留申群岛其他岛链分隔超过300公里。

该群岛组成部分包括白令岛、梅德内岛、托波尔科夫岛以及阿里岩礁，全岛总面积为1,848平方公里，最高点海拔达751米。

The Commander Islands or Komandorski or Komandorskie Islands (Russian:Командо́рские острова́, Komandorskiye ostrova) are a group of treeless, sparsely populated (about 600 people on 1,850 km (714 sq mi)) Russian Bering Sea islands located 175 kilometres (109 mi) east of the Kamchatka Peninsula in the Russian Far East. The islands consist of Bering Island (95 kilometres (59 mi) by 15 kilometres (9.3 mi)), Medny Island (55 kilometres (34 mi) by 5 kilometres (3.1 mi)), and fifteen smaller ones (islets and rocks), the largest of which are Kamen Toporkov ("Tufted Puffin Rock", 15 hectares (37 acres), sometimes referred to as Ostrov Toporkov) and Kamen Ariy, which are between 3 kilometres (1.9 mi) and 13 kilometres (8.1 mi) west of the only settlement, Nikolskoye. Administratively, they compose Aleutsky District of Kamchatka Krai.