David Kiprotich Bett (born 18 October 1992) is a Kenyan long-distance runner, who specialises in the 5000 meters.
At the 2010 World Junior Championships in Athletics in Moncton, Canada, Bett won a gold medal over 5000 m.At the 2009 World Youth Championships in Athletics in Brixen, Italy, Bett won a silver medal over 3000 m.
His brothers are also athletes, Emmanuel Bett and Josphat Bett Kipkoech.