O'Byrne (surname)

O'Byrne () is an Irish surname. The O'Byrne family were descendants of Bran mac Máelmórda, King of Leinster.

Notable people with the surname include:

• Brían F. O'Byrne (b. 1967), Irish actor
• Bryan O'Byrne (1931–2009), American actor
• Cathal O'Byrne (1867–1957), Irish singer, poet and writer
• Charles J. O'Byrne (b. 1959), American lawyer
• David O'Byrne (b. 1969), Australian trade unionist and politician
• Emmett O'Byrne (b. 1973), Irish historian
• Estella Armstrong O'Byrne (1891–1987), American civic leader and anti-communist
• Fergus O'Byrne, Irish-Canadian folk musician
• Fiach McHugh O'Byrne (1534–1597), Gaelic chieftain famed for his resistance to English rule in Ireland
• Felim McFiach O'Byrne (d.1630), Gaelic chieftain
• Gay Byrne (b. 1934), Irish radio and television presenter
• John O'Byrne (1884–1954), Attorney General of the Irish Free State
• Justin O'Byrne (1912–1993), Australian politician
• Michelle O'Byrne (b. 1968), member of the Tasmanian House of Assembly
• Patrick O'Byrne (pianist) (b. 1954), New Zealand pianist
• Patrick O'Byrne (politician) (1870–1944), Irish politician
• Ryan O'Byrne (b. 1984), Canadian ice hockey player
• William O'Byrne (1908–1951), English cricketer
• William Richard O'Byrne (1823–1896), Irish biographer

See also

• O'Byrne Cup, in Gaelic football
• Byrne