Family name ซีมอน (Simon 
, ซีมอน 
) , across the world, is a widespread last name. The cognomen ซีมอน is characteristic of Antigua and Barbuda, where it is a widespread surname, Marshall Islands, where it is a common surname, and Hungary (explore the name in all countries). In absolute terms, it is the most numerous in Nigeria, Tanzania, and France. Likewise, ซีมอน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Simon | Tanzania, Kenya, France, United Kingdom, Nigeria |
| ซีมอน | Thailand |