Cognomen Tornú (Tornú 
) , all over the world, is an extremely rare last name. The surname Tornú is habitual in Latin America and the Caribbean, particularly Argentina, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Tornú | Argentina |
|
enrique tornú Argentine physician (1865-1901), AR (b. 1865) |
|