Family name Catahan (Catahan 
) , all over the world, is quite a rare cognomen. The family name Catahan is habitual in Philippines, where it is quite a rare surname, United Arab Emirates, where it is a rare surname, and Singapore, where it is a very rare surname. Measured by absolute frequency, it is commonest in Philippines, the United States, and United Arab Emirates.
| VARIANT | COUNTRY |
|---|---|
| Catahan | Australia, United States, United Arab Emirates, Canada, Philippines |