| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 81 | Gnegon | Polish | Polish form of Gregory 'wachful'. | M | |
| 82 | Henryk | Polish | Polish form of Henry 'rules the home'. | M | |
| 83 | Hieronim | Polish | Polish form of Jerome 'sacred'. | M | |
| 84 | Holleb | Polish | Dove. | M | |
| 85 | Jacek | Polish | Alas. | M | |
| 86 | Jack | Polish | God is gracious. | M | |
| 87 | Jan | Polish | God is gracious. | M | |
| 88 | Janah | Polish | Variant of John. In Roman mythology; Jana was the wife of Janus. | M | |
| 89 | Janek | Polish | God is gracious. | M | |
| 90 | Januarius | Polish | Born in January. | M | |
| 91 | Jarek | Polish | Born in January. | M | |
| 92 | Jedrek | Polish | A strong man. Variant of Andrew. | M | |
| 93 | Jedrick | Polish | A strong man. Variant of Andrew. | M | |
| 94 | Jedrik | Polish | Strong. | M | |
| 95 | Jedrus | Polish | Strong. | M | |
| 96 | Jeny | Polish | Polish form of George 'farmer'. | M | |
| 97 | Josep | Polish | Polish form of Joseph 'God shall add'. | M | |
| 98 | Kaspar | Polish | Keeper of the treasure. Form of Caspar. | M | |
| 99 | Kazimierz | Polish | Declares peace. | M | |
| 100 | Kazimir | Polish | Variant of Casimir: Bringer of peace; announcing peace. | M | |