- JONES, HENRY (1605 - 1682), bishop - see JONES, MICHAEL
- JONES, Sir HENRY STUART (1867 - 1939), classical scholar and lexicographer
- JONES, HERMAN (1915 - 1964), minister (Congl.) and poet
- JONES, HEZEKIAH, Methodist cleric - see JONES, DANIEL
- JONES, HUGH (1837 - 1919), Wesleyan minister and historian
- JONES, HUGH (Cromwell o Went; 1800 - 1872), Congregational minister
- JONES, HUGH (1749 - 1825), translator and hymnist
- JONES, HUGH (Erfyl; 1789 - 1858), author, editor and translator
- JONES, HUGH (1831 - 1883), Baptist minister and college principal
- JONES, HUGH (1830 - 1911), Calvinistic Methodist minister
- JONES, HUGH (Huw Myfyr; 1845 - 1891), Calvinistic Methodist minister, and poet
- JONES, HUGH (fl. 1812), poet
- JONES, HUGH ROBERT (1894 - 1930), founder of the Welsh Nationalist party
- JONES, HUGH WILLIAM (1802 - 1873), Baptist minister and editor
- JONES, HUMPHREY (Bryfdir; 1867 - 1947), poet and 'compère' of eisteddfodau
- JONES, HUMPHREY (d. c.1690), mercer - see JONES, JOHN
- JONES, HUMPHREY OWEN (1878 - 1912), chemist
- JONES, HUMPHREY ROWLAND (1832 - 1895), evangelist
- JONES, HUW (1700? - 1782), poet, publisher, and one of the principal Welsh balladists of the 18th century
- JONES, IDWAL (1899 - 1966), educationist and university professor
- JONES, IDWAL - see JONES, RICHARD IDWAL MERVYN
- JONES, IEUAN SAMUEL (1918 - 2004), minister (Cong.)
- JONES, IORWERTH (1913 - 1992), minister, author and editor
- JONES, ISAAC (1804 - 1850), cleric and translator
- JONES, ISAAC FRANCIS (d. 1850), printer - see JONES, RICHARD
- JONES, ISHMAEL (1794 - 1876), Independent minister
- JONES, JABEZ, printer - see JONES, RICHARD
- JONES, JACK (1884 - 1970), author and playwright
- JONES, JACOB, Methodist cleric - see JONES, DANIEL
- JONES, JAMES (fl. 19th century), poet and prose writer
- JONES, JAMES (1792 - 1876), dean of Bangor - see VINCENT
- JONES, JAMES IDWAL (1900 - 1982), headteacher and Labour politician
- JONES, JAMES IFANO (1865 - 1955), librarian and bibliographer
- JONES, JAMES RHYS (KILSBY; 1813 - 1889), Congregational minister
- JONES, JANE (1749 - 1833) - see MORRIS, WILLIAM
- JONES, JANE ANN - see THOMAS, LOUIE MYFANWY
- JONES, JENKIN (1700? - 1742), Arminian minister
- JONES, JENKIN (1623 - ?), captain in the Parliamentary army and Puritan preacher
- JONES, JENKIN (d. 1689) Kilgerran, captain in the Parliamentary army, Puritan preacher, Independent
- JONES, JEREMIAH (1693 - 1724), minister - see JONES, SAMUEL
- JONES, JEREMIAH WOOD (1778? - 1867), harpist - see WOOD
- JONES, JOHN (EMLYN) (Ioan Emlyn; 1818 - 1873), Baptist minister, poet, and man of letters
- JONES, JOHN Maes-y-garnedd,, 'the regicide'
- JONES, JOHN (c. 1578-1583 - 1658?) Gellilyfdy, Loveday, Ysgeifiog, calligrapher and transcriber of manuscripts
- JONES, JOHN (1650 - 1727), dean of Bangor, educationist, and antiquary
- JONES, JOHN (Leander; 1575 - 1636), Benedictine monk and scholar
- JONES, JOHN (1645 - 1709), cleric
- JONES, JOHN (1761 - 1822), Calvinistic Methodist minister
- JONES, JOHN (1700 - 1770), cleric and controversialist
- JONES, JOHN (1731 - 1813), early Welsh Moravian