Osmington is a small townsite located in the South West region of Western Australia in the Shire of Augusta-Margaret River, about 20 km (12 mi) north-east of Margaret River.

The only building standing in the townsite proper is St John's Anglican church that was established in 1933 and is listed by the Heritage Council of Western Australia; the town also used to have a primary school.

[2] It mostly consists of rural vineyards and farmland properties.

[3] It gained notoriety due to a multiple shooting murder-suicide in the locality on 11 May 2018.

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