Family name Rathay (Rathay 
) , all over the world, is a rare cognomen. The last name Rathay is characteristic of Germany, where it is a rare surname, Spain, where it is a very rare surname, and Nicaragua. In absolute terms, it is the most numerous in Germany, the United States, and India. Very seldom, Rathay is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rathay | Brazil, Germany, United States, India, Spain |
Mr, Gerald, Louise, Thomas, Hubert, Monique, Michael, Michell, Dieter, Andreas, Jeffery, Norbert, Estelle, Patricia, Roswitha, Nicholas, Wolfgang, Rebecca, Felicissima, Reiner, Ronald, Amy, Tim, Dave, June, Elke, Sarah, Brian, Roland, Petra, Linda, Lukas, Jason, Helga, Heinz, Sharon, Arthur, Peter, and Bianca-Maria