Last name Саг (Sag 
, Sagum 
, Sağ 
) , all over the world, is a common cognomen. The cognomen Саг is habitual in Turkey, where it is quite a common surname, Philippines, where it is quite a rare surname, and Mauritius. Not in comparison with a country's population, it is the most numerous in Turkey, Philippines, and Indonesia. Very seldom, Саг is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sag | Indonesia, India, Philippines, Saudi Arabia, Turkey |
| Sagum | Indonesia, India, Pakistan, Philippines, Saudi Arabia |
| Sağ | United States, Turkey |
| Саг | Ukraine, Russia, Kyrgyzstan, Kazakhstan |