Family name Onany (Onany 
) , in all the world, is a rare surname. The last name Onany is habitual in the Democratic Republic of the Congo, where it is a rare surname, Canada, where it is an extremely rare surname, and the United States. Measured by absolute frequency, it is the most numerous in the Democratic Republic of the Congo, India, and the United States. Very seldom, Onany is the forename as well as the last name.