Worldwide, Gildon (Gildon 
) is a rare primarily male, but very seldom female first name. The forename Gildon is habitual in Bolivia, where it is a rare male name, Philippines, where it is a very rare male name, and Tanzania. Measured by absolute frequency, it is the most numerous in Brazil, Philippines, and Bolivia. More prevalently, Gildon is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Gildon | Australia, Philippines, Brazil, United States, United Kingdom |