Surname Pittawas (Pittawas 
) , in all the world, is an extremely rare family name. Much more frequently, Pittawas is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pittawas | Thailand |
Marod, Euavongkul, Chattecha, Laongtap, Sonthairat, Potisaro, Poolsuppasit, Yangmark, Thoenburin, Tulathummatorn, Wanichsan, and Kaewprasertsilp