Billy Komintai Konchellah (born 20 October 1961 in Kilgoris, Kenya) is a former 800 m runner who won two World Championship gold medals in Rome in 1987 and Tokyo in 1991.

[1] His son Gregory Konchellah, who has changed his name to Yusuf Saad Kamel and is representing Bahrain since 2003, is also a prominent athlete.

[3] Billy Konchellah went to Jamhuri Primary and Upper Hill Secondary schools, both located in Nairobi.

[5] He was deported from the UK and extradited to Finland to face charges that he drugged and raped two Finnish girls in 2002.

In 2005 he was convicted of two rapes, sexual exploitation of a child, and a drug crime and was sentenced to two and a half years in prison.