Nicholas Kiplagat Bett (27 January 1990 – 8 August 2018) was a Kenyan track and field athlete who competed in the 400 metres hurdles. His personal best for the event is 47.79 seconds. He was a world champion in the event, having won in 2015 and a two-time bronze medallist at the African Championships in Athletics. He was born in Uasin Gishu County, Kenya.