Surname Santulin (Santulin 
) , across the world, is a very rare last name. The cognomen Santulin is characteristic of Croatia, where it is a rare surname, Italy, where it is a very rare surname, and Chile. Not in comparison with a country's population, this name is the most popular in Italy, the United States, and Croatia. Very seldom, Santulin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Santulin | Italy, Chile, Croatia, United States, India |