Jelagat, or Chelagat is a surname of Kenyan origin meaning "daughter of Lagat" that may refer to:Irene Jelagat, Kenyan middle-distance runner and 2011 All-Africa Games champion Janet Jelagat Rono, Kenyan marathon runner Jemima Jelagat Sumgong, Kenyan marathon runner and 2012 Boston Marathon runner-up Maureen Jelagat Maiyo, Kenyan 400 metres hurdler and 2012 Olympian Rose Jelagat Cheruiyot, Kenyan long-distance runner and 2006 Amsterdam Marathon champion Viola Jelagat Kibiwot, Kenyan middle-distance runner