- ENDERBIE, PERCY (c. 1606 - 1670), historian and antiquary
- ENOCH, SAMUEL IFOR (1914 - 2001), minister (Presbyterian) and theological professor
- EOS BRADWEN - see JONES, JOHN
- EOS CEIRIOG - see MORYS, HUW
- EOS CYMRU - see WYNNE, SARAH EDITH
- EOS DÂR - see EVANS, DANIEL
- EOS EBRILL - see LEWIS, REES
- EOS EWIAS - see PARRY, JAMES RHYS
- EOS EWYAS - see PARRY, JAMES RHYS
- EOS EYAS - see PARRY, JAMES RHYS
- EOS GLAN TWRCH - see EDWARDS, JOHN
- EOS GLAN WYRE - see LEWIS, JOHN
- EOS GLYN WYRE - see LEWIS, JOHN
- EOS GWYNEDD - see THOMAS, JOHN
- EOS GWYNFA - see WILLIAMS, THOMAS
- EOS IAL - see HUGHES, DAVID
- EOS LLECHID - see DAVIES, OWEN HUMPHREY
- EOS LLYFNWY - see WILLIAMS, FOULK ROBERT
- EOS LLYFNWY - see ROBERTS, ELLIS
- EOS MALDWYN - see HUGHES, EDWARD
- EOS MORLAIS - see REES, ROBERT
- EOS TEGEINGL - see ELLIS, THOMAS
- EOS TWROG - see ROBERTS, LEWIS
- EOS Y GOGLEDD - see JONES, WILLIAM OWEN
- EOS Y MYNYDD - see WILLIAMS, THOMAS
- ERBERY, WILLIAM (1604 - 1654), Puritan and Independent
- ERFYL - see JONES, HUGH
- ERFYL FYCHAN - see JONES, ROBERT WILLIAM
- ERYR CRAIG Y LLYN - see DAVIES, LEWIS
- ERYR ERYRI - see GRIFFITH, OWEN
- ERYRON GWYLLT WALIA - see OWEN, ROBERT
- ESSEX, Earls of - see DEVEREUX
- ETA DELTA - see DAVIES, EVAN
- ETHÉ, CARL HERMANN (1844 - 1917), scholar
- EUDDOGWY Saint - see OUDOCEUS, Saint
- Eugenius Philalethes - see VAUGHAN, THOMAS
- EUROF - see WALTERS, DAVID
- EURYS ROLANT - see ROWLANDS, EURYS IONOR
- EUTUN, OWAIN (fl. c. 15th century), bard
- EVAN AB EDNYVED AP HOWELL (d. 1403) - see WYNN
- EVAN(S), EDWARD (1716 - 1798), Presbyterian minister and poet
- EVAN, EDWARD - see EVANS, EDWARD
- EVAN, EVAN DAFYDD (fl. 1771-9), early Methodist exhorter
- EVAN(S), JAMES (Carneinion; 1814 - 1842) Trefgarn, Congregationalist lay preacher, and author
- EVAN, JAMES - see EVANS, JAMES
- EVAN(S), LEWIS (1720 - 1792), one of the earliest Calvinistic Methodist exhorters in North Wales
- EVAN, LEWIS - see EVANS, LEWIS
- EVAN, RHYS (1779 - 1876), poet - see EVANS, EDWARD
- EVAN-THOMAS, Sir HUGH (1862 - 1928), admiral
- EVANS family, printers