Kiptanui is a surname of Kenyan origin meaning "son of Tanui". Kiptanui means someone who fainted after birth.
It may refer to:
Jackson Kiptanui, Kenyan politician and National Assembly Member for the Orange Democratic Movement Eliud Kiptanui (born 1989), Kenyan marathon runner and 2010 Prague Marathon winner Moses Kiptanui (born 1970), Kenyan steeplechaser and three-time world champion Timothy Kiptanui (born 1980), Kenyan Olympic middle-distance runner Nicholas Kiptanui Bett (born 1996), Kenyan steeplechase runner
See also Tanui, origin of name Kiptanui