Cognomen Cajigao (Cajigao 
) , in the entire world, is a very rare last name. The family name Cajigao is characteristic of Peru, where it is a very rare surname, Argentina, and the United States, where it is an extremely rare surname. Much less frequently, Cajigao is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cajigao | Argentina, Peru, United States |