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Last name ศิวรักษ์ (ศิวรักษ์ , Siwarak , Sivarak ) , across the world, is a rare family name. The last name ศิวรักษ์ is characteristic of Thailand, where it is a rare surname, Germany, where it is an extremely rare surname, and the United States. More prevalently, ศิวรักษ์ is the forename as well as the last name.