Cognomen Khayo (Khayo 
) , around the world, is a rare surname. The surname Khayo is habitual in Kenya, where it is quite a rare surname, Israel, where it is a rare surname, and Morocco, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Kenya, the United States, and Morocco. Much less frequently, Khayo is the forename as well as the last name.