Family name มโนศักดิ์ (มโนศักดิ์ 
, Manosak 
) , all around the world, is a very rare cognomen. The surname มโนศักดิ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Also, มโนศักดิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| มโนศักดิ์ | Thailand |
| Manosak | Thailand, United States |