Cognomen Tigro (Tigre 
, Tigro 
) , throughout the world, is quite a common family name. The surname Tigro is habitual in Algeria, where it is quite a rare surname, Bolivia, and Angola. Measured by absolute frequency, it is commonest in Brazil, Algeria, and Angola. Also, Tigro is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tigre | Brazil, Angola, Guatemala, Ethiopia, Algeria |
| Tigro | France, Italy, United States, Ethiopia, Algeria |