Last name Gamani (Gamani 
) , across the world, is quite a rare family name. The last name Gamani is characteristic of the Democratic Republic of the Congo, where it is quite a rare surname, Morocco, where it is a rare surname, and Sri Lanka. Not in comparison with a country's population, this name is the most popular in the Democratic Republic of the Congo, India, and Morocco. More frequently, Gamani is the forename as well as the last name.