Gwilym

For the Welsh-language pop rock band, see Gwilym (band).

Gwilym is a Welsh given name and surname, related to William, Guillaume, and others in a number of other languages.

Given name

• Gwilym ab Ieuan Hen (1440–1480), Welsh language poet
• Gwilym Davies (minister) CBE (1879–1955), Welsh Baptist minister
• Gwilym Edwards (1881–1963), Welsh Presbyterian minister
• Gwilym Ellis Lane Owen (1922–1982), Welsh philosopher
• Gwil Owen (born 1960), American singer/songwriter
• Gwilym Gibbons (born 1971), British arts leader
• Gwilym Gwent (1834–1891), Welsh-born composer in the United States
• Gwilym Jenkins (1933–1982), British statistician and systems engineer
• Gwilym Jones (born 1947), British Conservative politician
• Gwilym Kessey (1919–1986), Australian cricketer
• Gwilym Lee (born 1983), British actor
• Gwilym Lloyd George, 1st Viscount Tenby (1894–1967), politician and UK cabinet minister
• Gwilym Thomas Mainwaring (1941–2019), Welsh rugby player
• Gwilym Owen Williams (1913–1990), Anglican Archbishop of Wales from 1971 to 1982
• Gwilym Prys Davies, Baron Prys-Davies (1923–2017), Welsh politician
• Gwilym Puw (William Pugh) (1618–1689), Welsh Catholic poet and Royalist officer
• Gwilym R. Jones (1903–1993), awarded three literary awards at the National Eisteddfod of Wales
• Gwilym Rhyfel (fl. 12th century), Welsh language poet and warrior
• Gwilym Roberts (1928–2018), British Labour Party politician
• Gwilym Simcock (born 1981), British pianist and composer
• Gwilym Tew (1460–1480), Welsh language poet and manuscript copyist
• Gwilym Tilsley (1911–1997), Welsh poet
• Gwilym Went (1914–2005), Welsh cricketer
• William Rees (Gwilym Hiraethog) (1802–1883), Welsh poet and author
• William Thomas (Gwilym Marles) (1834–1878), Welsh minister and poet

Surname

• Dafydd ap Gwilym (1315–1350), Welsh poet
• Eurfyl ap Gwilym (born 1944), Welsh Plaid Cymru politician
• Gwynn ap Gwilym (1950–2016), Welsh language poet, novelist, editor and translator
• Lisa Gwilym (born 1975), Welsh broadcaster
• Lowri Gwilym (1955–2010), Welsh television and radio producer
• Meinir Gwilym (born 1983), Welsh-language pop and folk singer
• Mike Gwilym (born 1949), Welsh actor
• Robert Gwilym (born 1956), Welsh actor
• Tich Gwilym (1951–2005), Welsh guitarist