Cognomen Lakatus (Lakatus 
) , globally, is a rare surname. The family name Lakatus is habitual in Serbia, where it is quite a rare surname, Romania, where it is a rare surname, and Bulgaria. Not in comparison with a country's population, it most frequently occurs in Serbia, Romania, and Germany. Very seldom, Lakatus is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lakatus | Germany, Romania, Serbia, Bulgaria, United States |