Last name Nonya (Nonya 
) , in the entire world, is a rare surname. The family name Nonya is characteristic of Lesotho, where it is quite a rare surname, Tanzania, where it is a rare surname, and Egypt. Not in comparison with a country's population, it is the most numerous in Egypt, the United States, and Lesotho. Also, Nonya is the forename as well as the last name.