Family name Sinchay (Sinchay 
) , globally, is an extremely rare last name. The cognomen Sinchay is characteristic of Latin America and the Caribbean, particularly Peru, where it is an extremely rare surname. Much more prevalently, Sinchay is the forename as well as the last name.
Manna, Sihakoun, Keomany, Luanghanou, and Vongnorkeo