Cognomen Sirisoma (Sirisoma 
) , around the globe, is a rare surname. The surname Sirisoma is habitual in Sri Lanka, where it is quite a rare surname, Thailand, where it is a very rare surname, and Canada, where it is an extremely rare surname. In absolute terms, it is commonest in Sri Lanka, Thailand, and the United States. Much less frequently, Sirisoma is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sirisoma | Thailand, Canada, United States, Sri Lanka |
| gayan sirisoma Sri Lankan cricketer, LK (b. 1981) |
|