史密斯海峡是北冰洋的海峡，位于东面的格陵兰和西面加拿大的埃尔斯米尔岛之间，是内尔斯海峡的一部分，连接巴芬湾和巴芬湾，长50公里、宽40公里。

Smith Sound is an uninhabited Arctic sea passage between Greenland and Canada's northernmost island, Ellesmere Island. It links Baffin Bay with Kane Basin and forms part of the Nares Strait.

On the Greenland side of the sound were the now abandoned settlements of Etah and Annoatok.