Surname Tourinan (Tourinan 
) , throughout the world, is a very rare cognomen. The last name Tourinan is characteristic of Spain, where it is a very rare surname, Argentina, and France, where it is an extremely rare surname. Measured by absolute frequency, it most frequently occurs in Spain, Brazil, and Argentina.
| VARIANT | COUNTRY |
|---|---|
| Tourinan | Spain, Brazil, France, United States, Argentina |