Anthony Dean Ronaldson (born 25 May 1972) is an Australian former professional basketball player who played the majority of his career in the Australian National Basketball League (NBL). Known as "The Bear", Ronaldson played for the Eastside Spectres, South East Melbourne Magic, Victoria Titans, Perth Wildcats and New Zealand Breakers in the NBL. He played in seven NBL Grand Final series and won two championships, both with the Magic in 1992 and 1996. He also represented Australia at the 1996 Olympic Games in Atlanta and again in 2004 in Athens