| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 21 | Janalynn | Czechoslovakian | Variant of John. In Roman mythology; Jana was the wife of Janus. | F | |
| 22 | Janceena | Czechoslovakian | Variant of John. In Roman mythology; Jana was the wife of Janus. | F | |
| 23 | Janica | Czechoslovakian | Variant of John. In Roman mythology; Jana was the wife of Janus. | F | |
| 24 | Janna | Czechoslovakian | Variant of John. In Roman mythology; Jana was the wife of Janus. | F | |
| 25 | Jannah | Czechoslovakian | Variant of John. In Roman mythology; Jana was the wife of Janus. | F | |
| 26 | Jannalee | Czechoslovakian | Variant of John. In Roman mythology; Jana was the wife of Janus. | F | |
| 27 | Janne | Czechoslovakian | Variant of John. In Roman mythology; Jana was the wife of Janus. | F | |
| 28 | Jannie | Czechoslovakian | Variant of John. In Roman mythology; Jana was the wife of Janus. | F | |
| 29 | Janny | Czechoslovakian | Variant of John. In Roman mythology; Jana was the wife of Janus. | F | |
| 30 | Jirina | Czechoslovakian | Feminine form of Jirka. | F | |
| 31 | Kaleen | Czechoslovakian | A flower name and place name. | F | |
| 32 | Kaleena | Czechoslovakian | A flower name and place name. | F | |
| 33 | Kalena | Czechoslovakian | A flower name and place name. | F | |
| 34 | Kalene | Czechoslovakian | A flower name and place name. | F | |
| 35 | Kalina | Czechoslovakian | A flower name and place name. | F | |
| 36 | Krasava | Czechoslovakian | Beautiful. | F | |
| 37 | Krasna | Czechoslovakian | Beautiful. | F | |
| 38 | Krystina | Czechoslovakian | Variant of Christine. Christian. | F | |
| 39 | Lexa | Czechoslovakian | Variant of Alexandra. Defender of mankind. | F | |
| 40 | Lida | Czechoslovakian | Variant of Lydia meaning from Lydia. | F | |