Family name Gathan (Gathan 
) , around the world, is a rare cognomen. The family name Gathan is characteristic of Singapore, where it is a rare surname, Indonesia, and India, where it is an extremely rare surname. Also, Gathan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Gathan | Indonesia, Philippines, Singapore, United States, India |