Surname Tirio (Tirio 
) , throughout the world, is a very rare cognomen. The surname Tirio is habitual in New Zealand, where it is a very rare surname, Malaysia, and Philippines. Measured by absolute frequency, this name is the most popular in the United States, Philippines, and India. Likewise, Tirio is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tirio | Italy, Malaysia, Philippines, United States, India |
| dave tirio American musician, US (b. 1979) |
|