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 | Philippines, India, Indonesia, Saudi Arabia, Turkey |
| Sagum | Philippines, Pakistan, India, Indonesia, Saudi Arabia |
| Sağ | United States, Turkey |
| Саг | Kazakhstan, Russia, Ukraine, Kyrgyzstan |