All around the world, William Ivan (William Ivan 
) is a rare masculine given name. The given name William Ivan is habitual in Latin America and the Caribbean, particularly Peru, where it is a rare male name, Costa Rica, and Chile. Not in comparison with a country's population, this name is the most popular in Latin America and the Caribbean, particularly Peru, Chile, and Colombia. Very seldom, William Ivan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| William Ivan | Peru, Colombia, Spain, Chile, Ecuador |