Peter van der Westhuizen (born 21 December 1984) is a retired South African middle-distance runner who specialised in the 1500 metres. He represented his country at the 2009 World Championships and 2010 World Indoor Championships.
International competitions
Personal bests
Outdoor
800 metres – 1:47.60 (Padova 2009) 1000 metres – 2:17.81 (Stockholm 2009) 1500 metres – 3:35.33 (New York 2009) One mile – 3:54.90 (Oslo 2010) 3000 metres – 8:00.05 (Luzern 2010) Indoor 800 metres – 1:49.98 (Lincoln 2007) 1000 metres – 2:23.41 (Lincoln 2007) 1500 metres – 3:42.38 (Birmingham 2010) One mile – 3:59.43 (Winston-Salem 2013) 3000 metres – 8:07.50 (Lincoln 2008) 5000 metres – 14:20.65 (Lincoln 2008)