Family name Sithana (Sithana 
) , all over the world, is a very rare cognomen. The last name Sithana is characteristic of Australia, where it is a very rare surname, Thailand, where it is an extremely rare surname, and Malaysia. Not in comparison with a country's population, it is commonest in Australia, Thailand, and India. Likewise, Sithana is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sithana | Australia, Malaysia, Thailand, India, South Africa |