Boniface Ontuga Mweresa (born 13 November 1993 in Nyamira) is a Kenyan sprinter specialising in the 400 metres.
He competed in the 4 × 400 m relay at the 2012 Summer Olympics.
His personal bests in the event are 45.01 seconds outdoors (Brazzaville 2015) and 46.33 seconds indoors (Portland 2016).
He is currently serving a 2 year ban for use of higenamine, a prohibited substance.