Across the world, Sinco (Cinco 
, Sinco ) is a rare unisex first name. The given name Sinco is habitual in Philippines, where it is a very rare epicene name, the United States, where it is an extremely rare gender-neutral name, and India, where it is an extremely rare largely feminine, but infrequently male name. Much more prevalently, Sinco is the last name as well as the forename.