Last name Santa Barbara (Santa Barbara 
) , in the world, is a rare surname. The surname Santa Barbara is habitual in Mexico, where it is a rare surname, Portugal, and Spain, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Mexico, the United States, and Spain. Also, Santa Barbara is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Santa Barbara | Peru, Spain, United States, Mexico, Ecuador |