Last name Callo (Callum 
, Callo 
, Kalyo 
) , worldwide, is a common surname. The surname Callo is characteristic of Jamaica, where it is quite a common surname, Peru, where it is quite a rare surname, and Philippines. In absolute terms, it is the most numerous in Philippines, Peru, and the United States. Also, Callo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Callum | Australia, New Zealand, United Kingdom, United States, Peru |
| Callo | United Kingdom, Argentina, United States, Philippines, Peru |
| Kalyo | India, Tanzania, Pakistan, Hungary, Brazil |
| 卡洛 | China |
| marcel callo French typographer, FR (b. 1921) |
|
|
| kurt levie callo NL (b. 1918) |
|
|
| oswaldo holguín callo (b. 1950) |
|
|
| tiffany callo (b. 1967) |
|
|
| gabriela callo-quinte researcher (ORCID 0000-0003-4479-2014) |
|
|
| melisa callo Argentinian volleyball player, AR (b. 1985) |
|
|
| callo de hacha Mexican Commentator, MX (b. 1986) |
|
|
| christian callo |
|