Troughton Island is an island located off the Kimberley coast of Western Australia, about 80 kilometres (50 mi) north-west of Kalumburu and 45 kilometres (28 mi) north-west of the Mungalalu Truscott Airbase.

Troughton Island is used as a helicopter base for the Timor Sea oil rigs approximately 500 kilometres (300 mi) west of Darwin.

The island was found and named in 1819 by Phillip Parker King.

[2] Under the Köppen climate classification, Troughton Island has a hot semi-arid climate (BSh), bordering on a tropical savanna climate, with a sweltering and oppressively humid wet season from December to March and a hot dry season from April to November.

This article about a location in Western Australia is a stub.