Family name Sonjo (Sonjo 
) , in the entire world, is a rare cognomen. The family name Sonjo is characteristic of Sub-Saharan Africa, particularly Mozambique, where it is a rare surname, Nigeria, where it is a very rare surname, and Tanzania. Measured by absolute frequency, it most frequently occurs in Nigeria, Mozambique, and Indonesia. Likewise, Sonjo is the forename as well as the last name.