Worldwide, Seydon (Seydon 
) is a rare boy's forename. The forename Seydon is characteristic of Sub-Saharan Africa, particularly Kenya, where it is a rare male name. Very seldom, Seydon is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Seydon | United Kingdom, Kenya, Spain, United States |