Surname สะหาก (Sahak 
, สะหาก 
) , globally, is a common cognomen. The last name สะหาก is habitual in Afghanistan, where it is quite a common surname, Malaysia, and Brunei, where it is quite a rare surname. Not in comparison with a country's population, it most frequently occurs in India, Afghanistan, and Malaysia. Very seldom, สะหาก is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sahak | Philippines, India, Indonesia, Afghanistan, Malaysia |
| สะหาก | Thailand |