Cognomen Samhain (Saveno 
, Samhain 
) , throughout the world, is an extremely rare surname. The surname Samhain is characteristic of Venezuela, where it is an extremely rare surname, Philippines, and the United States. In absolute terms, this name is the most popular in the United States, India, and Venezuela. More frequently, Samhain is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saveno | Philippines, United States, India, Brazil, Venezuela |
| Samhain | India, United States, Uruguay |