Last name Mariñas (Marinas 
, Mariñas 
) , around the globe, is quite a common cognomen. The surname Mariñas is habitual in Peru, where it is quite a rare surname, United Arab Emirates, and Romania. Not in comparison with a country's population, it is the most numerous in Peru, Philippines, and Romania. Very seldom, Mariñas is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Marinas | Spain, Philippines, United States, Peru, Romania |
| Mariñas | United Arab Emirates, Spain, Philippines, United States, Peru |
| fernando de andrade das mariñas Galician nobleman and military commander, ES (b. 1477) |
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| gerardo mariñas Spanish military personnel (1918-2003), ES (b. 1918) |
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| jesús mariñas Spanish gossip journalist and TV personality, ES (b. 1942) |
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| luis mariñas Journalist and news anchor (1947-2010), ES (b. 1947) |
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| luis mariñas researcher |
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| luis pérez das mariñas Spanish colonial administrator, ES |
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| benito j mariñas researcher |
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| maria de las mariñas |
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Ma, Alba, Aldo, Anna, Anne, Adam, Agos, Aida, Carl, Ciro, Kent, Paul, Piid, Raye, Raul, Rosa, Rose, Renz, Reni, Rita, Ruby, Ruth, Alan, Alex, Saul, Sara, Mar, May, Mac, Ana, Ann, Bea, Rod, Ria, Rut, Lea, Ryan, Lis, Jed, Ing, Yen, Marc, Mary, Mark, Matt, Mond, Mica, Mike, Jam, and Dave