Family name Maria Karen (Maria Karen 
) , across the world, is a very rare cognomen. The surname Maria Karen is habitual in Chile, where it is a very rare surname, and Spain. Much more prevalently, Maria Karen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Maria Karen | Peru, Philippines, Bolivia, Chile, Ecuador |
Go, Urriza, Ubando, Mendoza, Sanchez, Cabrera, Catague, Cordero, Deliola, Dineros, Merioles, Sarahina, Achacoso, Gonzales, Enriquez, San Diego, Buenzalida, Dela Cruz, Guillermo, Encinares, Hernandez, Nacionales, Ibarra, Torres, Tampus, Javier, Tan, Cruz, Desa, Fulo, Mabao, Merle, Mutoc, Sable, Seron, Avena, Villanueva, Balin, Pogoy, Reyes, Orbon, Adecir, Acosta, Resari, Rivera, Daquiz, Garcia, Gelito, Perez, and Constantino