- koleva (32321)
- kolev (30459)
- kostova (18021)
- krasteva (17985)
- kostadinov (17635)
- kostadinova (17602)
- krastev (16918)
- kostov (16876)
- kirilov (9335)
- kirilova (8695)
- kirova (7972)
- kirov (7498)
- kovacheva (6273)
- kovachev (5794)
- kamenova (5397)
- kamenov (5109)
- kaneva (4327)
- kanev (4060)
- krumov (3953)
- krumova (3668)
- kancheva (3424)
- kalcheva (3221)
- kanchev (3139)
- kalchev (3004)
- kadir (2967)
- karadzhova (2950)
- kotseva (2863)
- karadzhov (2834)
- koeva (2781)
- kotsev (2716)
- karaivanova (2623)
- koev (2472)
- kehayova (2305)
- kurteva (2288)
- kehayov (2174)
- kurtev (2085)
- kazakova (2014)
- koseva (1917)
- kazakov (1894)
- kocheva (1844)
- katsarov (1816)
- kosev (1770)
- kochev (1764)
- koycheva (1714)
- kuzmanov (1707)
- koychev (1682)
- kolarov (1600)
- karagyozova (1563)
- karagyozov (1487)
- kiryakov (1440)
- kalinova (1419)
- kasabov (1399)
- kircheva (1391)
- kalinov (1349)
- konstantinova (1347)
- kisyov (1339)
- kirchev (1297)
- konstantinov (1263)
- kunev (1212)
- kozhuharov (1210)
- kuncheva (1104)
- kunchev (1059)
- karamfilova (1002)
- karamfilov (1001)
- kaleva (963)
- kaloyanova (955)
- kaloyanov (902)
- kerim (815)
- kyamil (809)
- kuzeva (756)
- kadirova (731)
- kitanov (730)
- kitanova (722)
- kamber (695)
- kadirov (679)
- karov (663)
- kasim (661)
- kotova (612)
- kotov (566)
- kolchev (480)
- krasimirova (447)
- kadiev (444)
- krasimirov (438)
- karageorgieva (395)
- kolov (386)
- kara (379)
- koen (364)
- kozarov (358)
- kartalov (347)
- kunova (343)
- kerimov (317)
- kerimova (313)
- kahraman (299)
- karani (292)
- karamitev (254)
- kanov (231)
- kemal (230)
- kerchev (223)
- kolarski (209)
- kalach (188)
