Cognomen Sisirakumara (Sisirakumara 
) , in all the world, is a rare family name. The last name Sisirakumara is characteristic of Sri Lanka, where it is quite a rare surname, and the United Kingdom, where it is an extremely rare surname. Much less frequently, Sisirakumara is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sisirakumara | India, Sri Lanka, United Kingdom |