Cognomen Khena (Khena 
, Хена 
) , around the world, is a rare family name. The cognomen Khena is characteristic of South Africa, where it is a rare surname, Indonesia, where it is a very rare surname, and Venezuela. Not in comparison with a country's population, the name is most common in South Africa, Indonesia, and India. Also, Khena is the forename as well as the last name.