Surname Ivonn (Ivonn 
) , all around the world, is a rare cognomen. The cognomen Ivonn is habitual in Latin America and the Caribbean, particularly Mexico, where it is a rare surname, Colombia, and Honduras. Measured by absolute frequency, it is the most numerous in Latin America and the Caribbean, particularly Mexico, Colombia, and Venezuela. Also, Ivonn is the forename as well as the last name.