Surnames Kruljac – Krutiak
- Kruljac (4)
- Krull (30)
- Krum (36)
- Kruman (1)
- Krumanocker (1)
- Krumbach (1)
- Krumbeck (1)
- Krumbholz (8)
- Krumbiegel (1)
- Krumblis (1)
- Krumboltz (1)
- Krumdick (3)
- Krumdieck (1)
- Krumdieck Cardenas (1)
- Krumel (1)
- Krumenacher (1)
- Krumenacker (3)
- Krumer (1)
- Krumhansl (1)
- Krumheuer (1)
- Krumholtz (1)
- Krumholz (5)
- Kruming (1)
- Krumins (2)
- Krumke (3)
- Kruml (1)
- Krumland (3)
- Krumlauf (3)
- Krumm (40)
- Krumma (2)
- Krumme (8)
- Krummel (19)
- Krummell (2)
- Krummen (4)
- Krummenacher (6)
- Krummon (1)
- Krummow (3)
- Krummrey (1)
- Krumnaw (2)
- Krumnow (83)
- Krump (1)
- Krumpack (1)
- Krumpak (2)
- Krumpe (1)
- Krumpelbeck (1)
- Krumpfer (4)
- Krumpholz (9)
- Krumpoch (1)
- Krumrei (5)
- Krumrey (29)
- Krumrie (1)
- Krumrine (3)
- Krumroy (1)
- Krumsiek (1)
- Krumtum (4)
- Krumuride (1)
- Krumvieda (3)
- Krumviede (1)
- Krumwiede (14)
- Krunic (2)
- Krunnow (1)
- Kruntorad (1)
- Kruoch (3)
- Krup (1)
- Krupa (44)
- Krupala (29)
- Krupalla (16)
- Krupanich (1)
- Krupar (5)
- Krupczak (3)
- Krupela (1)
- Krupenny (1)
- Krupica (1)
- Krupicka (17)
- Krupilis (1)
- Krupinski (9)
- Krupinsky (2)
- Krupka (5)
- Krupke (2)
- Krupnick (2)
- Krupnik (3)
- Krupovage (1)
- Krupovlyanskiy (1)
- Krupovnickas (1)
- Krupowicz (3)
- Krupp (31)
- Kruppa (50)
- Kruppenbach (1)
- Kruppenbacher (4)
- Krupps (1)
- Kruppstadt (1)
- Krupski (8)
- Krus (21)
- Kruschik (1)
- Kruschka (1)
- Kruschke (3)
- Kruschwitz (2)
- Kruse (503)
- Krusee (2)
- Krusekopf (4)
- Krusell (1)
- Krusely (2)
- Kruseman (3)
- Krusemark (7)
- Krusemeyer (1)
- Krusen (16)
- Kruser (5)
- Krush (2)
- Krushall (10)
- Krushefski (2)
- Krushin (2)
- Krushinsky (2)
- Krushnowski (1)
- Krusic (2)
- Krusing (3)
- Krusinga (1)
- Krusinski (3)
- Krusinsky (7)
- Krusius (1)
- Kruska (2)
- Kruskamp (1)
- Kruskopp (1)
- Krusleski (16)
- Kruslyak (3)
- Krusos (1)
- Kruspe (2)
- Kruss (1)
- Krussow (5)
- Krustchinsky (28)
- Krusts (1)
- Krusz (2)
- Kruszewski (3)
- Kruszka (3)
- Kruszynski (8)
- Kruszynszi (1)
- Krut (2)
- Kruta (1)
- Krute (2)
- Kruth (3)
- Kruthaupt (1)
- Kruthers (1)
- Kruthoff (1)
- Krutiak (1)