Cognomen Siriwanna (ศิริวรรณา 
, Siriwanna 
) , throughout the world, is a rare surname. The cognomen Siriwanna is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname, and Myanmar. Likewise, Siriwanna is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ศิริวรรณา | Thailand |
| Siriwanna | Thailand, Myanmar |