Last name Viñar (Viñar 
) , in the world, is a very rare cognomen. The surname Viñar is habitual in Latin America and the Caribbean, particularly Uruguay, where it is a rare surname.
| marcelo viñar Uruguayan writer, UY (b. 1936) |
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| maren ulriksen de viñar Chilean writer, CL (b. 1937) |
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