| # | Name | Origin | Meaning | Gender | Save |
|---|---|---|---|---|---|
| 21 | Conrad | Slavic | Brave; wise. | M | |
| 22 | Dimas | Slavic | Variant of Demetrius. In Catholic writings Dimas is the compassionate thief who died with Jesus. | M | |
| 23 | Dimetrius | Slavic | In Catholic writings Dimas is the compassionate thief who died with Jesus. | M | |
| 24 | Dimitri | Slavic | Variant of Demetrius. In Catholic writings Dimas is the compassionate thief who died with Jesus. | M | |
| 25 | Dimitrios | Slavic | Variant of Demetrius. In Catholic writings Dimas is the compassionate thief who died with Jesus. | M | |
| 26 | Dimka | Slavic | Universal. | M | |
| 27 | Florian | Slavic | Flower. Masculine of Flora from a Roman clan name. | M | |
| 28 | Ivan | Slavic | Variant of John. Ivanhoe is the medieval variant Sir Walter Scott used for the Saxon hero of Ivanhoe.'. | M | |
| 29 | Ivanhoe | Slavic | Variant of John. Ivanhoe is the medieval variant Sir Walter Scott used for the Saxon hero of Ivanhoe.'. | M | |
| 30 | Ivano | Slavic | Variant of John. Ivanhoe is the medieval variant Sir Walter Scott used for the Saxon hero of Ivanhoe.'. | M | |
| 31 | Jan | Slavic | Variant of John 'God has been gracious; has shown favor.'. | M | |
| 32 | Karel | Slavic | Manly. | M | |
| 33 | Karol | Slavic | Manly. | M | |
| 34 | Kasimer | Slavic | Commands peace. | M | |
| 35 | Kasimir | Slavic | Enforces peace. The name of the patron saint of Poland; also a favored name of Polish royalty. | M | |
| 36 | Kazatimiru | Slavic | Commands peace. | M | |
| 37 | Kersten | Slavic | Christian. | M | |
| 38 | Laci | Slavic | Famous ruler. | M | |
| 39 | Lacko | Slavic | Famous ruler. | M | |
| 40 | Ladislas | Slavic | Good ruler. | M | |