Last name มหาจักร (มหาจักร 
, Mahajak 
, Mahawak ) , in the world, is a rare cognomen. The surname มหาจักร is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname. Very seldom, มหาจักร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| มหาจักร, Mahawak, Mahakhat | Thailand |
| Mahajak | India, Thailand |