Des Hasler, Australian rugby league player and coach

Desmond John Hasler (born 16 February 1961) is an Australian professional rugby league coach who is the head coach of the Manly Warringah Sea Eagles in the NRL, and a former professional rugby league footballer.

He initially played for the Penrith Panthers, and then spent most of his playing career with the Manly Warringah Sea Eagles, with whom he won premierships in 1987 and 1996. Hasler spent a season with Hull F.C. in England, returning to Manly, before finishing his playing career with the Western Suburbs Magpies. He also played for NSW City, New South Wales in State of Origin and Australia at international level.

Hasler coached Manly between 2004 and 2011, winning a further two premierships in 2008 and 2011. He coached the Canterbury-Bankstown Bulldogs in the National Rugby League, before returning as Manly coach since 2019.