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Surname Симма (Simma , Cimma , Симма ) , in the entire world, is a common cognomen. The cognomen Симма is characteristic of Austria, where it is quite a common surname, Laos, where it is quite a rare surname, and Thailand. Measured by absolute frequency, the name is most common in India, Austria, and Thailand. Also, Симма is the forename as well as the last name.