This is a list of Welsh-language authors.

A

• Richard Ithamar Aaron (1901–1987)
• William Ambrose (Emrys) (1813–1873)
• Gwynn ap Gwilym (1950–2016)
• Charles Ashton (1848–1898)

B

• William Ambrose Bebb (1894–1953)
• Tom Beynon (1886–1961)
• John Blackwell (Alun) (1797–1841)
• Käthe Bosse-Griffiths (1910–1998)
• David James Bowen (1925–2017)
• Euros Bowen (1904–1988)
• Geraint Bowen (1915–2011)
• Siôn Bradford (1706–1785)
• Robert Bryan (1858–1920)

C

• Rhys Cadwaladr (fl. 1666–1690)
• David Charles (1762–1834)
• Thomas Charles (1755–1814)
• Irma Chilton (1930–1990)
• Morys Clynnog (1525–1581)

D

• Aneirin Talfan Davies (1909–1980)
• Edward Tegla Davies (1880–1967)
• Gareth Alban Davies (1926–2009)
• Grahame Davies (born 1964)
• James Kitchener Davies (1902–1952)
• John Davies (Dr John Davies, Mallwyd) (c. 1567–1644)
• John Cadvan Davies (1846–1923)
• John Humphreys Davies (1871–1926)
• Lewis Davies (1863–1951)
• Pennar Davies (1911–1996)
• Richard Davies (c. 1501–1581)
• Richard Davies (Mynyddog) (1833–1877)
• Thomas Glynne Davies (1926–1988)
• Walter Davies (Gwallter Mechain) (1761–1849)
• Robert Jones Derfel (1824–1905)

E

• Aled Eames (1921–1996)
• Marion Eames (1921–2007)
• David Miall Edwards (1873–1941)
• Hywel Teifi Edwards (1934–2010)
• Lewis Edwards (1809–1887)
• Owen Morgan Edwards (1858–1920)
• Roger Edwards (1811–1886)
• Thomas Edwards (Twm o'r Nant) (1738–1810)
• John Elias (1774–1841)
• Islwyn Ffowc Elis (1924–2004)
• Robert Elis (Cynddelw) (1812–1875)
• Thomas Iorwerth Ellis (1899–1970)
• Beriah Gwynfe Evans (1848–1927)
• Christmas Evans (1776–1838)
• Daniel Evans (Daniel Ddu o Geredigion) (1792–1846)
• Daniel Silvan Evans (1818–1903)
• David Emrys Evans (1891–1966)
• Donald Evans (born 1940)
• Ellis Humphrey Evans (Hedd Wyn) (1887–1917)
• Gwynfor Evans (1912–2005)
• Hugh Evans (1854–1934)
• John Evans (I.D. Ffraid) (1814–1875)
• Theophilus Evans (1693–1767)
• William Evans (Wil Ifan) (1883–1968)
• Albert Evans-Jones (Cynan) (1895–1970)

G

• William Richard Philip George (1912–2006)
• John Gwyn Griffiths (1911–2004)
• Elis Gruffydd (c. 1490 – c. 1552)
• Owen Gruffydd (c. 1643–1730)
• Robert Geraint Gruffydd (1928–2015)
• William John Gruffydd (1881–1954)
• Bethan Gwanas (born 1962)

H

• Joseph Harris (Gomer) (1773–1825)
• Isaac Daniel Hooson (1880–1948)
• Mererid Hopwood (born 1964)
• Hugh Hughes (Y Bardd Coch o Fôn) (1693–1776)
• John Ceiriog Hughes (1832–1887)
• Jonathan Hughes (1721–1805)
• Richard Cyril Hughes (born 1932)
• Thomas Rowland Hughes (1903–1949)
• Edward Morgan Humphreys (1882–1955)
• Humphrey Humphreys (1648–1712)

I

• Dafydd Ifans (born 1949)

J

• Daniel James (Gwyrosydd) (1848–1920)
• Edward James (c. 1569 – c. 1610)
• Evan James (Ieuan ap Iago) (1809–1878)
• David Jenkins (1912–2002)
• John Jenkins (Gwili) (1872–1936)
• Robert Thomas Jenkins (1881–1969)
• John Thomas Job (1867–1938)
• Bedwyr Lewis Jones (1933–1992)
• Dafydd Jones (Dewi Dywyll) (1803–1868)
• David James Jones (Gwenallt) (1899–1968)
• Elizabeth Watkin-Jones (1888–1966)
• Gwilym Richard Jones (1903–1993)
• Harri Pritchard Jones (1933–2015)
• John Jones (Jac Glan-y-gors) (1766–1821)
• John Jones (Ioan Tegid) (1792–1852)
• John Jones (Talhaiarn) (1810–1869)
• John Jones (Myrddin Fardd) (1836–1921)
• John Robert Jones (1911–1970)
• Lewis Jones (Patagonia) (1897–1939)
• Richard Goodman Jones (Dic Goodman) (1920–2013)
• Robert Ambrose Jones (Emrys ap Iwan) (1848–1906)
• Robert Maynard Jones (Bobi Jones) (1929–2017)
• Thomas Jones (Dinbych) (1756–1820)
• Thomas Gwynn Jones (1871–1949)
• Thomas Llewelyn Jones (1915–2009)
• Morris Kyffin (c. 1555–1598)

L

• Thomas Levi (1825–1916)
• Alun Lewis (1915–1944)
• Gwyneth Lewis
• Henry Lewis (1889–1968)
• Hywel David Lewis (1910–1992)
• Robyn Lewis (born 1929)
• Saunders Lewis (1893–1985)

Ll

• John Lloyd-Jones (1885–1956)
• Alan Llwyd (born 1948)
• Angharad Llwyd (1780–1866)
• Morgan Llwyd (1619–1659)
• Robin Llywelyn (born 1958)

M

• Dafydd Llwyd Mathau (fl. earlier 17th c.)
• Wiliam Midleton (fl. 1550–1600)
• Gareth Miles (born 1938)
• Derec Llwyd Morgan (born 1943)
• Elena Puw Morgan (1900–1973)
• Eluned Morgan (1870–1938)
• John Morgan (1688–1733)
• Prys Morgan (born 1937)
• William Morgan (1545–1604)
• Lewis Morris (Llywelyn Ddu o Fôn) (1701–1765)
• Richard Morris (1703–1779)
• John Morris-Jones (1864–1929)

N

• Thomas Evan Nicholas (Niclas y Glais) (1879–1971)

O

• Owain Owain (1929–1993)
• Robin Llwyd ab Owain (born 1959)
• Daniel Owen (1836–1895)
• David Owen (Dewi Wyn o Eifion) (1784–1841)
• David Owen (Brutus) (1795–1866)
• Gerallt Lloyd Owen (born 1944)
• Goronwy Owen (Goronwy Ddu o Fôn) (1723–1769)
• William David Owen (1874–1925)
• William Owen Pughe (1759–1835)

P

• Gwenlyn Parry (1932–1991)
• John Parry (1776–1851)
• Robert Parry (1540–1612)
• Robert Williams Parry (1884–1956)
• Thomas Parry (1904–1985)
• Thomas Herbert Parry-Williams (1887–1975)
• Meirion Pennar (1944–2010)
• John Price (1502–1555)
• Thomas Price (Carnhuanawc) (1787–1848)
• Caradog Prichard (1904–1980)
• Rhys Prichard (Yr Hen Ficer) (1579–1644)
• Edmwnd Prys (1543–1623)
• Gwilym Puw (c. 1618 – c. 1689)

Ph

• Eluned Phillips (1914-2009)

R

• Evan Rees (Dyfed) (1850–1923)
• Ioan Bowen Rees (1929–1999)
• Thomas Rees (1815–1885)
• Thomas Ifor Rees (1890–1977)
• William Rees (Gwilym Hiraethog)
• David Richards (Dafydd Ionawr) (1751–1827)
• Thomas Richards (1878–1962)
• Gruffydd Robert (before 1532 – after 1598)
• Brynley Francis Roberts (born 1931)
• David Roberts (Dewi Havhesp) (1831–1884)
• Emrys Roberts (1929–2012)
• Kate Roberts (1891–1985)
• Samuel Roberts (writer) (1800–1885)
• Wiliam Owen Roberts (born 1960)
• Dafydd Rowlands (1931–2001)
• John Rowlands (author) (born 1938)
• William Rowlands (Gwilym Lleyn) (1802–1865)

Rh

• Edward Prosser Rhys (1901–1945)
• Morgan Rhys (1716–1779)
• Siôn Dafydd Rhys (1534 – c. 1609)

S

• William Salesbury (c. 1520 – c. 1584)
• William Saunders (1806–1851)
• Simwnt Fychan (c. 1530–1606)

T

• David Thomas (Dewi Hefin) (1828–1909)
• David Thomas (1880–1967)
• Ebenezer Thomas (Eben Fardd) (1802–1863)
• Gwyn Thomas (1936–2016)
• Robert Thomas (Ap Vychan) (1809–1880)
• Ronald Stuart Thomas (1913–2000)
• William Thomas (Islwyn) (1832–1878)
• William Thomas (Gwilym Marles) (1834–1879)
• Angharad Tomos (born 1958)

W

• Urien Wiliam (born 1929)
• Colin H Williams (born 1950)
• David John Williams (1885–1970)
• Edward Williams (Iolo Morganwg) (1747–1826)
• Eliseus Williams (Eifion Wyn) (1867–1926)
• Gareth F. Williams (1955–2016)
• Glanmor Williams (1920–2005 )
• Griffith Williams (Gutyn Peris) (1769–1838)
• Gwynne Williams (born 1937)
• Ifor Williams (1881–1965)
• John Ellis Williams (born 1924)
• John Lloyd Williams (1854–1945)
• John Owen Williams (Pedrog) (1892–1973)
• John Richard Williams (J.R. Tryfanwy) (1867–1924)
• Morris Williams (Nicander) (1809–1874)
• Moses Williams (1685–1742)
• Owen Williams (Owen Gwyrfai) (1790–1874)
• Peter Bailey Williams (1763–1836)
• Richard Bryn Williams (1902–1981)
• Richard Hughes Williams (Dic Tryfan) (c. 1878–1919)
• Robert Williams (Robert ap Gwilym Ddu) (1766–1850)
• Robert Williams (Trebor Mai) (1830–1877)
• Robert Dewi Williams (1870–1955)
• Rowland Williams (Hwfa Môn) (1823–1905)
• Rhydwen Williams (1916–1997)
• Thomas Marchant Williams (1845–1914)
• Waldo Williams (1904–1971)
• William Williams (Pantycelyn) (1717–1791)
• William Williams (Caledfryn) (1801–1869)
• William Williams (Creuddynfab) (1814–1869)
• William Williams (Crwys) (1875–1968)
• William Llewelyn Williams (1867–1922)
• Ellis Wynne (1671–1734)
• Eirug Wyn (1950–2004)