Family name Oniel (Oniel 
, 奥尼尔 
, Онил 
) , worldwide, is quite a rare last name. The last name Oniel is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is quite a rare surname, Honduras, and Jamaica. In absolute terms, it most frequently occurs in Indonesia, the United States, and Mexico. More frequently, Oniel is the forename as well as the last name.