Family name Blaženka (Blaženka 
) , globally, is a very rare last name. The surname Blaženka is characteristic of Southern Europe, particularly Croatia, where it is a rare surname. Much more frequently, Blaženka is the forename as well as the last name.
Kos, Miletić, Miškić, Cindrić, Bošnjak, Golubić, Vidović, Vuković, Marković, Milković, Barišić, Kovačić, Pavlović, Pavičić, Perković, Petrović, Vinković, Blažević, Knežević, Filipović, Živković, Martinović, Šimić, Šarić, Posavec, Klarić, Nađ, Kralj, Novak, Varga, Marić, Matić, Barić, Babić, Katić, Kovač, Kovačević, Pavić, Poljak, Radić, Divjak, Grgić, Lukić, Jurić, Jukić, Horvat, Mandić, Bašić, Prpić, and Matijašević