•
Aaron Gwyn (born 1972), American novelist •
Anisha Nicole Gwynn (born 1985), American singer better known as Anisha Nicole or Nee-Nee Gwynn (daughter of Tony Sr.) •
Arthur Gwynn (1874–1898), Irish cricketer and rugby player •
Aubrey Gwynn (1892–1983), Irish historian •
Charles Gwynn (1870–1962), Irish-born British Army officer •
Chris Gwynn (born 1964), American baseball player •
David Gwynn (1861–1910), Welsh rugby player •
Denis Rolleston Gwynn (1893–1973), Irish journalist •
Edward Gwynn (1868–1941), Irish literary scholar •
Eirwen Gwynn (1916–2007), Welsh nationalist, teacher, scientist, writer •
Francis Gwyn (1648–1734), Welsh politician •
Gareth Gwynn, Welsh entertainer •
Herbert Britton Gwyn (1873–1934), American newspaper editor •
Howel Gwyn (1806–1888), British politician •
James Gwyn (1828–1906), American Civil War soldier •
John David Gwynn (1907–1998), Irish cricketer •
John Tudor Gwynn (1881–1956), Irish cricketer •
Jovaughn Gwyn (born 1999), American football player •
Lucius Gwynn (1873–1902), Irish rugby player •
Lucy Gwynn (1866–1947), first Lady Registrar in Dublin •
Marcus Gwyn (born 1977), American baseball player •
Mark Gwyn, American law enforcement officer •
Michael Gwynn (1916–1976), British actor •
Nell Gwyn (1650–1687), long-time mistress of King Charles II •
Owen Gwyn (died 1633), Welsh priest •
R. S. Gwynn (born 1948), American poet •
Richard Gwyn (disambiguation), multiple people •
Robert Gwynn (1877–1962), Irish cricketer •
Sandra Gwyn (1935–2000), Canadian journalist •
Stephen Gwynn (1864–1950), Irish journalist •
Tony Gwynn (1960–2014), American baseball player and Hall of Fame member •
Tony Gwynn Jr. (born 1982), American baseball player and son of Tony (Sr.) •
Walter Gwynn (1802–1882), American engineer •
William Gwynn (attorney) (1775–1854), American lawyer, newspaper editor, and civic leader •
William Gwynn (rugby) (1856–1897), Welsh rugby player •
Woody Gwyn (born 1944), American artist ==See also==