Garth David Mulroy (born 7 August 1978) is a South African professional golfer.
Mulroy was born in Durban. He attended college in the United States at North Carolina State University, where he was an NCAA Divison I All-American. He turned professional in 2002.
Mulroy has predominantly tried to make his way as a professional in the United States, and has collected several victories on various mini-tours. He finished tied for 64th at the PGA Tour qualifying school at the end of 2006, earning a place on the Nationwide Tour for 2007. He has played on the second tier United States based tour since then, winning for the first time in April 2009 when he secured a one stroke victory over Chris Tidland at the South Georgia Classic.