Last name Kolomba (Kolomba 
) , around the world, is a rare cognomen. The cognomen Kolomba is characteristic of South Africa, where it is a rare surname, Tanzania, where it is a very rare surname, and Georgia. In absolute terms, it is commonest in Sub-Saharan Africa, particularly South Africa, Tanzania, and Nigeria. Much less frequently, Kolomba is the forename as well as the last name.