Cognomen Tudang (Tudang 
) , in the world, is a rare surname. The cognomen Tudang is habitual in South-eastern Asia, particularly Indonesia, where it is a rare surname, Thailand, where it is an extremely rare surname, and Malaysia. Measured by absolute frequency, it is the most numerous in South-eastern Asia, particularly Indonesia, Thailand, and Philippines. Very seldom, Tudang is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tudang | Indonesia, Philippines, India, Malaysia, Thailand |