Surname Ag Untong (Ag Untong 
) , throughout the world, is an extremely rare cognomen. The family name Ag Untong is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ag Untong | Malaysia |
Samsiah, Samsudin Bin, and Dayang Azizah