Cognomen Sulca (Sulca 
, سولكا 
) , in the world, is a common last name. The family name Sulca is habitual in Peru, where it is quite a common surname, Latvia, where it is quite a rare surname, and Argentina. Not in comparison with a country's population, it is the most numerous in Latin America and the Caribbean, particularly Peru, Argentina, and Bolivia. Very seldom, Sulca is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sulca | Bolivia, United States, Peru, Latvia, Argentina |
| سولكا | Iran |
| quintus baebius sulca 2nd century BC Roman praetor and envoy (b. 300) |
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wendy sulca quispe Peruvian singer and actress, PE (b. 1996) |
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| juan sulca researcher, ORCID id # 0000-0003-4393-3161, PE |
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| marcos a sulca researcher, PE |
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| diego armando sulca Ph.D. Universidad Nacional de Córdoba 2015 |
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| debora sulca Peruvian model, PE (b. 1986) |
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| nélida sulca Peruvian long-distance runner (b. 1987) |
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| daysi sulca Peruvian cyclist, PE (b. 1993) |
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| kevin paullo sulca Film director (b. 1999) |
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