Wilfred Kipkemboi Bungei (born 24 July 1980) is a Kenyan retired Middle-distance runner, who won the 800 m gold medal at the 2008 Summer Olympics in Beijing. He also won at the World indoor Championships in Moscow 2006 the 800 metres title, defeating Mbulaeni Mulaudzi and Olympic Champion Yuriy Borzakovskiy in the course of the race.