Throughout the world, Tambai (Tambai 
) is a rare unisex forename. The given name Tambai is habitual in Nigeria, where it is a rare boy's name, Philippines, where it is a rare feminine name, and Indonesia, where it is a very rare feminine name. Measured by absolute frequency, it most frequently occurs in Nigeria, Philippines, and India. Likewise, Tambai is the last name as well as the forename.