Des Hasler (German: Des Häßler; born 16 February 1961 in Gosford, New South Wales) is an Australian former professional rugby league player and current head coach of the Canterbury-Bankstown Bulldogs. He played in 309 matches in a first-grade career spanning 16 seasons. Most of his career was spent with the Manly-Warringah Sea Eagles, with whom he won two premierships (1987 and 1996) before finishing his playing career with the Western Suburbs Magpies.