Family name William Esau (William Esau 
) , in the world, is an extremely rare surname. The family name William Esau is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname. More frequently, William Esau is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| William Esau | Peru, Ecuador, Chile, Costa Rica |