Last name Samwa (Samwa 
) , globally, is a rare family name. The surname Samwa is characteristic of Sub-Saharan Africa, particularly Tanzania, where it is a rare surname, South Africa, where it is a very rare surname, and Nigeria, where it is an extremely rare surname. Not in comparison with a country's population, this name is the most popular in Tanzania, India, and South Africa. Likewise, Samwa is the forename as well as the last name.