In the world, Zetu (Zetu 
) is a rare unisex first name. The first name Zetu is habitual in Sub-Saharan Africa, particularly South Africa, where it is a very rare female name, Tanzania, and Nigeria, where it is a very rare epicene name. Measured by absolute frequency, it is commonest in India, South Africa, and Tanzania. More frequently, Zetu is the last name as well as the forename.