Ashley John Brehaut (born 18 September 1980) is a now retired male badminton player from Australia and current primary school physical education teacher.

His coach is Ning On Sze, and he lives in Ballarat, Victoria, Australia.

Brehaut competed in badminton at the 2004 Summer Olympics in men's doubles with partner Travis Denney.

In 2006, he and Denney won the bronze medal at the Oceania Championships, and also competed at the Commonwealth Games.

He now works as a PE teacher at St Leo the Great Primary School.