Surname Trijo (Trijo 
) , around the globe, is a rare last name. The cognomen Trijo is characteristic of Philippines, where it is a rare surname, Australia, where it is a very rare surname, and Argentina. Measured by absolute frequency, it is commonest in Philippines, Indonesia, and the United States. Very seldom, Trijo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Trijo | Australia, Philippines, United States, India, Indonesia |