Surname Sinah (Sinah 
, Синах 
) , around the world, is quite a rare family name. The family name Sinah is habitual in Maldives, where it is quite a rare surname, Brunei, and Sierra Leone. Not in comparison with a country's population, it is the most numerous in Indonesia, India, and Sierra Leone. Also, Sinah is the forename as well as the last name.