Surname Ruzica (Ruzica 
) , worldwide, is a rare last name. The cognomen Ruzica is habitual in Serbia, where it is quite a rare surname, Cyprus, and North Macedonia. In absolute terms, this name is the most popular in Serbia, Israel, and the United States. Predominantly, Ruzica is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ruzica | Montenegro, North Macedonia, Serbia, Bosnia and Herzegovina, United States |
Mioc, Orsolic, Markovic, Mirkovic, Mitrovic, Knezevic, Pavlovic, Petrovic, Petkovic, Ljubicic, Zivkovic, Milosevic, Stankovic, Kovacevic, Radulovic, Lovric-Sokcevic, Jovanovic, Todorovic, Marjanovic, Stevanovic, Stojanovic, Djordjevic, Vukovic, Velickovic, Nikolic, Bosnjak, Ilic, Maric, Matic, Milic, Saric, Simic, Soldo, Babic, Peric, Pejic, Radic, Galic, Gajic, Grgic, Lukic, Jovic, Tomic, Vasic, Kostic, Krstic, Ristic, Popovic, and Jakovljevic