Worldwide, Lethu (Lethu 
) is a rare epicene first name. The first name Lethu is characteristic of South Africa, where it is a rare gender-neutral name, India, where it is a very rare epicene name, and Vietnam, where it is a very rare feminine name. Not in comparison with a country's population, this name is the most popular in South Africa, India, and the United States. Also, Lethu is the last name as well as the forename.