Cognomen Sanghak (Sanghak 
) , all around the world, is a very rare last name. The surname Sanghak is characteristic of Canada, where it is an extremely rare surname, China, and the United States. Much more frequently, Sanghak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sanghak | China, South Korea, United States, India, Canada |