Family name Olsy (Olsy 
) , all around the world, is an extremely rare cognomen. The cognomen Olsy is habitual in Latin America and the Caribbean, particularly Honduras, where it is a very rare surname, and Venezuela, where it is an extremely rare surname. Predominantly, Olsy is the forename as well as the last name.
Murr, Syol, Gomez, Edzakouani, Wityassanti, and Okilassiou