Marcelino is a surname that originated in Spain. There are also several families with the Marcelino surname in Philippines, Portugal, and the Americas (North, Central, and South). Carolina Marcelino (born 1984), Brazilian researcher and computer scientist. Flor Marcelino (born 1951), Politician born in Manila, Philippines. Malaya Marcelino, Canadian politician. Marcelino is also a first name given in Spanish and Portuguese: Marcelino Bernal, (1962) Mexican association footballer (var. Mexican clubs). Marcelino Bolivar, (1964) Venezuelan boxer.
https://en.wikipedia.org/wiki/Marcelino