In the entire world, Rengu (Rengu 
) is quite a rare mostly male, but uncommonly feminine given name. The forename Rengu is characteristic of India, where it is a very rare largely boy's, but infrequently female name, Indonesia, where it is a very rare unisex name, and China, where it is an extremely rare masculine name. Very seldom, Rengu is the last name as well as the forename.