| CYDNEY f English (Modern) |
| DEION m African American (Modern) |
| DEN m English |
| DÉNES m Hungarian |
| DENICE f English |
| DENIECE f English (Rare) |
| DENIS m French, Russian, English, German, Czech, Slovak, Slovene, Romanian, Croatian |
| DENISA f Czech, Slovak, Romanian |
| DENISE f French, English, Dutch |
| DENNIS m English, German, Dutch |
| DENNY m English |
| DENYS m Ukrainian |
| DEON m English, African American |
| DEONNE f English (Rare) |
| DEONTE m African American (Modern) |
| DINIS m Portuguese |
| DINIZ m Portuguese |
| DION m Ancient Greek, English |
| DIONE (2) f English |
| DIONISIA f Medieval English |
| DIONISIE m Romanian |
| DIONÍSIO m Portuguese |
| DIONISIO m Spanish, Italian |
| DIONNE f English |
| DIONYSIA f Late Roman |
| DIONYSIOS m Greek, Ancient Greek |
| DIONYSIUS m Ancient Greek (Latinized), Biblical |
| DIONYSODOROS m Ancient Greek |
| DIONYSOS m Greek Mythology |
| DIONYSUS m Greek Mythology (Latinized) |
| DIONÝZ m Slovak |
| DIOT f Medieval English |
| DWIGHT m English |
| DYE f Medieval English |
| DYSON m English (Rare) |
| EÓGAN m Ancient Irish, Irish Mythology |
| EOGHAN m Irish, Scottish, Irish Mythology |
| EUAN m Scottish |
| EUGEN m German, Romanian, Czech, Slovak, Croatian |
| EUGÈNE m French |
| EUGENE m English |
| EUGENEIA f Ancient Greek |
| EUGÊNIA f Portuguese |
| EUGENIA f Italian, Spanish, Romanian, Polish, English, Ancient Greek (Latinized) |
| EUGÉNIE f French |
| EUGÊNIO m Portuguese |
| EUGENIO m Italian, Spanish |
| EUGENIOS m Ancient Greek |
| EUGENIUS m Ancient Greek (Latinized) |
| EUGENIUSZ m Polish |
| EUKENE f Basque |
| EVGENI m Bulgarian, Russian |
| EVGENIA f Greek |
| EVGENIJ m Macedonian |
| EVGENIJA f Macedonian |
| EVGENIY m Russian |
| EVGENIYA f Bulgarian, Russian |
| EVGENY m Russian |
| EVŽEN m Czech |
| EWAN m Scottish |
| EWEN m Scottish |
| GEENA f English (Rare) |
| GENA (1) f English |
| GENE m English |
| GENIE f English |
| GENYA m Russian |
| GINA f Italian, English, Swedish, Norwegian, Danish |
| JEANA f English |
| JEANNA f English |
| JENCI m Hungarian |
| JENŐ m Hungarian |
| KYLER m English (Modern) |
| LAGINA f African American (Rare) |
| OWAIN m Welsh, Welsh Mythology |
| OWEN (1) m Welsh, English |
| OWEN (2) m Irish |
| OWENA f Welsh |
| SID m English |
| SIDNEY m & f English |
| SYD m English |
| SYDNE f English (Rare) |
| SYDNEY f & m English |
| SYDNIE f English (Modern) |
| TARYN f English |
| TENNEY m Medieval English |
| TENNYSON m English (Rare) |
| TY m English |
| TYLAR m English (Rare) |
| TYLER m English |
| TYLOR m English (Modern) |
| TYREEK m African American (Modern) |
| TYRESE m African American (Modern) |
| TYRIK m African American (Modern) |
| TYRIQ m African American (Modern) |
| TYRON m English |
| TYRONE m English |
| TYSON m English |
| UXÍA f Galician |
| UXÍO m Galician |
| YEVGENI m Russian |
| YEVGENIY m Russian |
| YEVGENIYA f Russian |
| YEVGENY m Russian |
| YEVHENIY m Ukrainian |
| YVAIN m Welsh Mythology |
| YWAIN m Welsh Mythology |
| ZHENYA f & m Russian, Bulgarian |
