Family name Mareco (Mareco 
, מארקו 
) , in the world, is a common cognomen. The surname Mareco is habitual in Latin America and the Caribbean, particularly Paraguay, where it is a common surname, Argentina, where it is quite a common surname, and Uruguay, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in Latin America and the Caribbean, particularly Paraguay, Argentina, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Mareco | Paraguay, Portugal, Uruguay, Brazil, Argentina |
| מארקו | Israel |
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juan carlos mareco Uruguayan actor and comedian (1926-2009), UY (b. 1926) |
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sandro mareco Argentine chess player, AR (b. 1987) |
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| gerardo a. tulipano mareco Uruguayan writer, UY (b. 1963) |
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| andrés tulipano mareco UY (b. 1955) |
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| virgínia mareco researcher |
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| edson a mareco researcher |
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| víctor mareco Paraguayan footballer, PY (b. 1984) |
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