Surname Hrzenjak (Hrzenjak 
) , globally, is a rare cognomen. The surname Hrzenjak is characteristic of Slovenia, where it is quite a common surname, Croatia, where it is a rare surname, and Switzerland. Measured by absolute frequency, it is commonest in Slovenia, Germany, and Switzerland.
| VARIANT | COUNTRY |
|---|---|
| Hrzenjak | Germany, Switzerland, Croatia, United States, Slovenia |
Mr, Daniel, George, Thomas, Teresa, Nikola, Edward, Hrvoje, Victor, Viktor, Mirjana, Andelko, Patrick, Natasha, Zdravko, Patricia, Dragutin, Kornelija, Renata, Krunoslav, Mladen, Ivica, Ms, Eva, Mara, Luka, Joze, Ivan, Marco, Karen, Renee, Denis, Darko, David, Diane, Jasna, Vesna, Filip, Ivana, Zlata, and Rosemarie