Raphael Matthew "Timmy" Chua (born October 5, 1982) is a Filipino former swimmer, who specialized in breaststroke events. He is a two-time medalist in the same stroke at the 2005 Southeast Asian Games in his home city Manila. At the 2005 Southeast Asian Games in Manila, Chua collected two bronze medals in the 100 m breaststroke (1:04.35) and 400 m medley relay (3:52.70), as a member of the host nation team.