Family name Masith (Masith 
) , in all the world, is a very rare surname. The last name Masith is habitual in Thailand, where it is a very rare surname, Canada, where it is an extremely rare surname, and India. More frequently, Masith is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Masith | Sri Lanka, Malaysia, Thailand, India, Canada |
Morayes, Senadeera, and Gunawardana