Surname Herculian (Herculian 
) , around the globe, is a very rare cognomen. The cognomen Herculian is habitual in Brazil, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Herculian is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Herculian | Brazil, United States, Philippines |