John Robert Quigley (born 1 December 1948) is an Australian barrister, solicitor and politician in Western Australia.
A member of the ALP, he has served as a member of the Western Australian Legislative Assembly from the 2001 election until the present, initially as the Member for Innaloo (2001–2005) until that seat's abolition in an electoral redistribution, then as the Member for Mindarie.
As of March 2017, he is the state's Attorney-General in the McGowan Ministry.