东索梅塞特是南非的城镇，位于该国东南部，由东开普省负责管辖，始建于1825年，面积24.12平方公里，2001年人口8,456，人口密度每平方公里350人。

Somerset East (Afrikaans:Somerset-Oos) is a town in the Blue Crane Route Local Municipality in the Eastern Cape, South Africa. It was founded by Lord Charles Somerset in 1825.

The Blue Crane Route follows the national road R63 from Pearston, via Somerset East, to Cookhouse. Somerset East, at the foot of the Boschberg Mountains, is a quaint, serene little town that's as famous for the natural beauty as it is for its many beautiful provincial heritage sites, all of them buildings.