Surname Reguerra (Reguerra 
) , globally, is a very rare last name. The cognomen Reguerra is characteristic of Philippines, where it is a very rare surname, the United States, where it is an extremely rare surname, and Canada. Much less frequently, Reguerra is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Reguerra | Canada, Spain, United States, Philippines |