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 1990s. He won 11 of the 13 road races in one season and finished second in 2 of them.