Isabella Bosibori Ochichi (born October 28, 1979, in Kisii District) from Kenya was the silver medal winner in the final of the women's 5,000 meter race at the 2004 Summer Olympics held in Athens, Greece.
She finished in a time of 14:48.19, about 2.5 seconds behind the winner, Meseret Defar of Ethiopia.
She was selected to represent Kenya at the 2001 IAAF World Half Marathon Championships, where she finished eighth.
She competed at the IAAF World Cross Country Championships between 2002 and 2006, the best result being short race bronze medals in 2002 and 2005.
In April the same year she won the silver medal in the team competition at the World Cross Country Championships, having finished 10th in the short race.