The surname "Klin" is of Slavic origin and can be found in various countries, particularly in Eastern Europe. It may be derived from the word "klin," which means "wedge" in several Slavic languages, possibly indicating a geographical feature or a profession related to woodworking or construction. Individuals with the surname Klin may have diverse backgrounds and professions. Notable people with this surname include Vladimir Klin, a prominent figure in the field of science, and Anna Klin, known for her contributions to the arts. The name is relatively uncommon but can be traced in genealogical records across different regions.