- LLEWELYN ap GRUFFUDD - see LLYWELYN ap GRUFFYDD
- LLEWELYN ap GRUFFYDD - see LLYWELYN ap GRUFFYDD
- LLEWELYN DDU O FÔN - see MORRIS, LEWIS
- LLEWELYN, DESMOND WILKINSON (1914 - 1999), actor
- LLEWELYN, MARY PENDRILL (1811 - 1874), translator and writer
- LLEWELYN, SION (1690 - 1776), poet
- LLEWELYN, THOMAS DAVID (Llewelyn Alaw; 1828 - 1879), musician
- LLEWELYN, WILLIAM (1735 - 1803), Independent minister
- LLEWELYN, WILLIAM CRAVEN (1892 - 1966), colliery owner, companies director, agriculturalist and specialist in forestry
- LLEYN, WILLIAM - see LLŶN, WILIAM
- LLIFON - see OWEN, OWEN GRIFFITH
- LLINOS - see WILLIAMS, MARIA JANE
- LLINOS MORGANNWG - see REES, BOWEN
- LLOYD family Maesyfelin,
- LLOYD family Leighton, Moel-y-garth,
- LLOYD family Bodidris,
- LLOYD family Rhiwaedog, Rhiwedog,
- LLOYD family Peterwell,
- LLOYD family Dolobran,
- LLOYD, Hafodunos, Wigfair - see LLOYD, JOHN
- LLOYD GEORGE family
- LLOYD GEORGE, DAVID (the first Earl Lloyd-George of Dwyfor), (1863 - 1945), statesman
- LLOYD GEORGE, GWILYM - see LLOYD GEORGE
- LLOYD GEORGE, MAIR ELUNED - see LLOYD GEORGE
- LLOYD GEORGE, MARGARET - see LLOYD GEORGE
- LLOYD GEORGE, MEGAN ARFON - see LLOYD GEORGE
- LLOYD GEORGE, RICHARD - see LLOYD GEORGE
- LLOYD, CATHERINE, heiress - see WYNNE, John
- LLOYD, CHARLES (1766 - 1829), Unitarian minister and schoolmaster
- LLOYD, CHARLES (d. 1698), squire of Maesllwch in Radnorshire (in his later days) and Independent elder
- LLOYD, CHARLES FRANCIS (1852 - 1917), musician
- LLOYD, DANIEL LEWIS (1843 - 1899), schoolmaster and bishop
- LLOYD, DAVID (1724 - 1779), Arian minister
- LLOYD, DAVID (1597 - 1663), dean of St Asaph
- LLOYD, DAVID (1635 - 1692), biographer
- LLOYD, DAVID (d. 1747?), cleric and translator
- LLOYD, DAVID (1752 - 1838), cleric, poet, and musician
- LLOYD, DAVID (1805 - 1863), principal of Carmarthen Presbyterian College and Unitarian minister
- LLOYD, DAVID (d. 1626), chancellor of Chester - see YALE
- LLOYD, DAVID - see DAFYDD LLWYD o'r HENBLAS
- LLOYD, DAVID GEORGE (1912 - 1969), singer
- LLOYD, DAVID JOHN (1886 - 1951), headmaster
- LLOYD, DAVID JOHN DE - see DE LLOYD, DAVID JOHN
- LLOYD, DAVID MYRDDIN (1909 - 1981), librarian and Welsh scholar
- LLOYD, DAVID TECWYN (1914 - 1992), literary critic, author, educationalist
- LLOYD, EDWARD (c. 1570 - 1648?) Llwyn-y-maen,
- LLOYD, Sir EDWARD (1710? - 1795), Secretary for War - see MOSTYN
- LLOYD, EDWARD (1795 - 1844), lord lieutenant of Merionethshire - see MOSTYN
- LLOYD, Sir EDWARD PRYCE (1768 - 1854) - see MOSTYN
- LLOYD, ELIZABETH JANE - see JONES, ELIZABETH JANE LOUIS