Cognomen Tourni (Tourni 
) , throughout the world, is a rare family name. The surname Tourni is habitual in Greece, where it is a rare surname, Morocco, where it is a very rare surname, and New Zealand. Measured by absolute frequency, it most frequently occurs in Greece, Morocco, and France. Very seldom, Tourni is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tourni | Greece, Australia, Morocco, France, New Zealand |