| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 61 | Casimiro | Polish | Variant of Casimir: Bringer of peace; announcing peace. | M | |
| 62 | Castimer | Polish | Variant of Casimir: Bringer of peace; announcing peace. | M | |
| 63 | Chwalibog | Polish | Praise God. | M | |
| 64 | Cibor | Polish | Variant of Czcibor: Fights with honour. | M | |
| 65 | Cyprian | Polish | From Cyprus. | M | |
| 66 | Cyrek | Polish | Lordly. | M | |
| 67 | Cyryl | Polish | Lordly. | M | |
| 68 | Czcibor | Polish | Fights with honour. | M | |
| 69 | Czeck | Polish | Variant of Czeslaw: Glory and honour. | M | |
| 70 | Czesiek | Polish | Variant of Czeslaw: Glory and honour. | M | |
| 71 | Czeslaw | Polish | Glory and honour. | M | |
| 72 | Dezydery | Polish | To desire. | M | |
| 73 | Dionizy | Polish | Polish form of Dionysus 'god of wine'. | M | |
| 74 | Dobieslaw | Polish | Strives for glory. | M | |
| 75 | Dobromierz | Polish | Good/famous. | M | |
| 76 | Dobromil | Polish | Good grace. | M | |
| 77 | Dobroslaw | Polish | Good glory. | M | |
| 78 | Dobry | Polish | Good. | M | |
| 79 | Dodek | Polish | Gift; hero. | M | |
| 80 | Donat | Polish | Gift. | M | |