Last name Simga (Simga 
) , in the world, is a very rare surname. The family name Simga is habitual in Estonia, where it is a rare surname, Israel, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in India, Estonia, and the United Kingdom. Likewise, Simga is the forename as well as the last name.