Cognomen توناي (Tunay 
, توناي 
) , all around the world, is quite a common last name. The family name توناي is habitual in Guatemala, where it is quite a rare surname, Turkey, and Panama. In absolute terms, it most frequently occurs in Turkey, Philippines, and Guatemala. Also, توناي is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tunay | Philippines, Azerbaijan, India, Turkey, Guatemala |
| توناي | Iraq |