Cognomen Simae (Simae 
) , in the entire world, is a rare family name. The last name Simae is characteristic of Tanzania, where it is a rare surname, South Africa, where it is a very rare surname, and Brazil, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Tanzania, South Africa, and India. Much less frequently, Simae is the forename as well as the last name.