Cognomen Niiko (Niiko 
) , all over the world, is an extremely rare surname. Much more frequently, Niiko is the forename as well as the last name.
Sim, Garcia, Gamboa, T-Kasse, Vargas, Mesrine, Sanchez, Salinas, Ramirez, Raveaux, Garzón, Jimenez, Martinez, Alvarado, Bautista, Ramiirez, Gonzalez, Gonzales, Maldonado, Rodriguez, Hernandez, Quiintero, Romero, Louissaint, Cortes, Moreno, Las, Vaz, Mora, Cruz, Beva, Punk, Ruiz, Ldea, Niko, Vega, Motta, Silva, Bravo, Paris, Perez, Ponce, Ramos, Ruiiz, Diiaz, Gauna, Gomez, Singer, and Santacoloma