Ondoro Osoro (born 3 December 1967) is a former Kenyan long-distance runner who competed mostly in cross country and road races. In his early career he won a series of cross country races in Europe (taking the first IAAF World Cross Challenge title) and twice represented Kenya at the IAAF World Cross Country Championships. He also ran the 5000 metres on the track, competing at the World Championships in Athletics and winning a bronze medal at the 1991 All-Africa Games. He won the San Silvestre Vallecana 10 km road race three times during this period.