- DAVIES, ROBERT JOSEPH Cwrt Mawr (1839 - 1892) - see DAVIES, ROBERT
- DAVIES, ROLAND (fl. c. 1730), poet
- DAVIES, RONDL - see DAVIES, RANDOLF
- DAVIES, (FLORENCE) ROSE (1882 - 1958), Labour activist and local alderman
- DAVIES, SAMUEL (1788 - 1854), Wesleyan Methodist minister
- DAVIES, SAMUEL (1818 - 1891), Wesleyan minister
- DAVIES, SAMUEL (1734? - 1820), physician - see DAVIES, HENRY
- DAVIES, SAMUEL (d. 1781) Merthyr - see DAVIES, JAMES
- DAVIES, SARA MARIA (1864 - 1939), author - see SAUNDERS, SARA MARIA
- DAVIES, SARAH EMILY (1830 - 1921), founder of Girton College, Cambridge - see DAVIES, JOHN
- DAVIES, SOROBABEL (1806 - 1877), schoolmaster and Baptist minister
- DAVIES, STEPHEN (d. 1794), revived the defunct 17th century Baptist church at Carmarthen
- DAVIES, STEPHEN (1790 - 1858), poet
- DAVIES, STEPHEN OWEN (1886? - 1972), miners' leader and Labour politician
- DAVIES, THOMAS (1812 - 1895), Baptist minister and principal of Haverfordwest Baptist College
- DAVIES, THOMAS (Trithyd; 1810? - 1873?), musician and composer
- DAVIES, THOMAS (1820 - 1873), Independent minister
- DAVIES, THOMAS (fl. 1700), poet
- DAVIES, THOMAS (TEGWYN; 1851 - 1924), tailor, book-collector and writer
- DAVIES, THOMAS (1823 - 1898), Independent minister
- DAVIES, THOMAS (1837 - 1892), mineralogist
- DAVIES, THOMAS (1851 - 1892), musician
- DAVIES, THOMAS ELLIS JONES - see JONES-DAVIES, THOMAS ELLIS
- DAVIES, THOMAS ESSILE (Dewi Wyn o Essyllt; 1820 - 1891), poet and editor
- DAVIES, THOMAS HUWS (1882 - 1940), secretary to the Commissioners of Church Temporalities in Wales, littérateur and collector of books
- DAVIES, THOMAS RHYS (1790 - 1859), Baptist minister
- DAVIES, THOMAS WITTON (1851 - 1923), Baptist minister, and Semitic scholar
- DAVIES, TIMOTHY (1802 - 1862), cleric
- DAVIES, TIMOTHY EYNON (1854 - 1935), Congregational minister
- DAVIES, TOM EIRUG (Eirug; 1892 - 1951), Congl. minister, writer and poet
- DAVIES, TREVOR OWEN (1895 - 1966), minister (Presb.) and principal of Trefeca College
- DAVIES, TUDOR (1892 - 1958), singer
- DAVIES, W. E. - see DAVIES, WILLIAM EDWARDS
- DAVIES, WALTER (Gwallter Mechain; 1761 - 1849), cleric, poet, antiquary, and literary critic
- DAVIES, WILFRED MITFORD (1895 - 1966), artist
- DAVIES, WILLIAM (d. 1593), Roman Catholic missioner and martyr
- DAVIES, WILLIAM (1729? - 1787), Methodist cleric
- DAVIES, WILLIAM (1805 - 1859), Independent minister and schoolmaster
- DAVIES, WILLIAM (1814 - 1891), palaeontologist
- DAVIES, WILLIAM (1859 - 1907), musician
- DAVIES, WILLIAM (1820 - 1875), Wesleyan minister
- DAVIES, WILLIAM (Gwilym Teilo; 1831 - 1892), man of letters, poet, and historian
- DAVIES, WILLIAM (1756 - 1823), compiler of an unpublished history of Glamorgan
- DAVIES, WILLIAM (1785 - 1851), Wesleyan minister and missionary
- DAVIES, WILLIAM (Mynorydd; 1826 - 1901), sculptor and musician
- DAVIES, Sir WILLIAM (1863 - 1935), journalist and editor
- DAVIES, Sir WILLIAM (LLEWELYN) (1887 - 1952), librarian
- DAVIES, WILLIAM (1899 - 1968), botanist and grassland specialist
- DAVIES, WILLIAM (1874 - 1949), local historian
- DAVIES, WILLIAM ANTHONY (1886 - 1962), journalist