Family name Ренга (Renga 
, Ренга 
) , around the world, is quite a rare last name. The cognomen Ренга is characteristic of Italy, where it is quite a rare surname, Mauritius, and Latvia, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Italy, Indonesia, and India. Also, Ренга is the forename as well as the last name.