Timothy "Tim" Behrendorff (born 26 September 1981, Gold Coast, Australia) is an Australian basketball player. Behrendorff attended college at Gardner-Webb University in the United States from 2000-2004.
In the 2004-05 NBL season he represented the Cairns Taipans before joining the New Zealand Breakers for the start of the 2005-06 season. He plays at the centre position and is viewed as a possible international player in the future if he becomes a New Zealand citizen. He played for the New Zealand NBL team Christchurch Cougars in the 2009 and 2010 season.
Tim played two seasons for the Wollongong Hawks in the NBL, averaging 2.4 points per game in the 2009-10 season, and 3.5 points per game in the 2010-11 season. Tim was not re-signed for the 2011-12 NBL season.
In the 2011 QBL season, Behrendorff played for the Ipswich Force.