| # | Name | Origin | Meaning | Gender | Save |
|---|---|---|---|---|---|
| 41 | Gavrilla | Slavic | God give me strength. | F | |
| 42 | Hana | Slavic | Variant of Johanna. | F | |
| 43 | Hedy | Slavic | Strife. | F | |
| 44 | Ikla | Slavic | Flattering. | F | |
| 45 | Ivan | Slavic | Variant of John. Ivanhoe is the medieval variant Sir Walter Scott used for the Saxon hero of Ivanhoe.'. | M | |
| 46 | Ivanhoe | Slavic | Variant of John. Ivanhoe is the medieval variant Sir Walter Scott used for the Saxon hero of Ivanhoe.'. | M | |
| 47 | Ivano | Slavic | Variant of John. Ivanhoe is the medieval variant Sir Walter Scott used for the Saxon hero of Ivanhoe.'. | M | |
| 48 | Jan | Slavic | Variant of John. | F | |
| 49 | Jan | Slavic | Variant of John 'God has been gracious; has shown favor.'. | M | |
| 50 | Karel | Slavic | Manly. | M | |
| 51 | Karol | Slavic | Manly. | M | |
| 52 | Kasimer | Slavic | Commands peace. | M | |
| 53 | Kasimir | Slavic | Enforces peace. The name of the patron saint of Poland; also a favored name of Polish royalty. | M | |
| 54 | Kasmira | Slavic | Commanding peace. | F | |
| 55 | Katarina | Slavic | Pure. | F | |
| 56 | Kazatimiru | Slavic | Commanding peace. | F | |
| 57 | Kazatimiru | Slavic | Commands peace. | M | |
| 58 | Kersten | Slavic | Christian. | M | |
| 59 | Laci | Slavic | Famous ruler. | M | |
| 60 | Lacko | Slavic | Famous ruler. | M | |