Island Bay United is a football club in the southern suburb of Island Bay in Wellington, New Zealand. The club was founded in 1931 as Wellington Technical College Old Boys. In 1966 the name was changed to Island Bay United. Island Bay United currently play in the Capital Premier League run by Capital Football.
The club also competes in the Chatham Cup, New Zealand's premier knock-out tournaments with their best run being 2003 and 2014 Chatham Cup where they made the quarter-finals.
Notable former players include Liberato Cacace and Mario Barcia.