Surname Sebaztian (Sebaztian 
) , worldwide, is a rare cognomen. The surname Sebaztian is habitual in Indonesia, where it is a very rare surname, Mexico, where it is an extremely rare surname, and the United States. Much less frequently, Sebaztian is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sebaztian | Colombia, Mexico, United States, Indonesia, United Kingdom |