Cognomen Tiratham (Tiratham 
) , in all the world, is a very rare last name. The cognomen Tiratham is habitual in Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Much less frequently, Tiratham is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tiratham | India, Thailand |