Cognomen Surth (Surth 
) , all over the world, is a very rare family name. The cognomen Surth is characteristic of Liechtenstein, where it is quite a rare surname, Venezuela, where it is a rare surname, and Georgia, where it is a very rare surname. Measured by absolute frequency, the name is most common in Venezuela, India, and Germany. Also, Surth is the forename as well as the last name.