Jackson Mumbwa Kivuva (born August 11, 1989) is a runner from Kenya who specialises in 800 metres. His surname is sometimes misspelled as "Kivuna". Kivuva started running in 2002 while at Syanamu Primary school. Later he went to Kinyui High School in Kangundo. He is a silver medalist from the 2006 World Junior Championships behind compatriot David Rudisha. The same year he won 800 metres gold at the Africa Zone 5 Junior Championships. He finished fourth at the Kenyan trial for the 2008 Olympics, missing the ticket to Beijing. He is competing at the 2009 World Championships in Berlin.