Radovan
Radovan () is a Slavic male given name, derived from the passive adjective "radovati" ("rejoice"), itself from root "rad-" meaning "care, joy". It is found in Serbia, North Macedonia, Bosnia and Herzegovina, Croatia, Montenegro, Czech Republic, Slovakia, Russia, Ukraine, and Bulgaria. It is recorded in Serbia since the High Middle Ages. Male variations and diminutives (and nicknames) include Radovanče, Radan, Radánek, Rade, Rado, Radič, Radko, Radvan, Radúz, Radek, and cognates Radomir, Radomil and Radoslav. Female forms include Radka, Radana, Radomirka, Radmila, Radica. Namedays include 13 January in Croatia, and 14 January in Slovakia and Czech Republic.