Joseph Kimani (September 1, 1972 - November 1, 2012) was a Kenyan long-distance runner who competed over 10,000 metres on the track and in road running competitions.
In his native country, he was commonly referred to as "KK" for Kimani Karanja. In other parts of the world, he was king of the road. He was the Superstar of most road races in the 1990"s. He won 11 of the 13 road races in one season and finished second in 2 of them.
Kimani finished 6th in the 10000 metres at the 1995 World Championships in Athletics.
In 1996 at the Peachtree Road Race Kimani set the world record 10k run at 27:04.
Kimani finished 21st at the 1998 IAAF World Half Marathon Championships and 4th at the 2000 IAAF World Half Marathon Championships.