Last name Kertay (Кертай 
, Kertay 
) , in the entire world, is a rare cognomen. The cognomen Kertay is habitual in Hungary, where it is a rare surname, Kazakhstan, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Kertay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Кертай | Kazakhstan, Ukraine |
| Kertay | United States, Hungary |
| lajos kertay association football player (b. 1883) |
|
|
| kertay nándor HU (b. 1892) |
|