Cognomen Cristóvam (Cristóvam 
) , around the world, is a very rare surname. The cognomen Cristóvam is characteristic of Portugal, where it is a rare surname, and Brazil, where it is an extremely rare surname. Very seldom, Cristóvam is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cristóvam | Brazil, Portugal |