Last name Sonyah (סוניה 
, Sonyah 
) , in all the world, is a very rare surname. The cognomen Sonyah is characteristic of Indonesia, where it is a very rare surname, Israel, and the United States, where it is an extremely rare surname. Measured by absolute frequency, it is the most numerous in Indonesia, India, and the United States. Much more frequently, Sonyah is the forename as well as the last name.