People — S
Seán Ó hEinirí
1915 – 1998
fisher
Seán Ó hEochaidh
1913 – 2002
writer
sean o huigin
b. 1942
poet
Sean O'Kane
b. 1964
actor
Sean O'Keefe
b. 1956
politician
Sean O'Keefe
record producer
Sean O'Keeffe
b. 1982
Australian rules football player
Seán O'Kennedy
1885 – 1949
Gaelic football player
Seán Ó Laoire
1946 – 2026
architect
Seán O'Leary
1941 – 2006
politician
Seán O'Leary-Hayes
b. 1999
hurler
Sean O'Loughlin
b. 1982
rugby league player
Sean O'Mahony
1932 – 2020
editor
Sean O'Mahony
b. 1976
Gaelic football player
Seán O'Mahony
1864 – 1934
politician
Sean O'Malley
b. 1994
mixed martial arts fighter
Seán Ó Maolalaidh
1419 – 1480
Seán O'Meara
hurler
Seán O'Méara
Seán Ó Neachtain
1650 – 1729
poet
Seán Ó Neachtain
b. 1947
politician
Sean O'Neal
b. 1975
actor
Seán O'Neill
b. 1938
Gaelic football player
Sean O'Neill
b. 1985
actor
Sean O'Neill
b. 1988
association football player
Sean O'Neill
Gaelic football player
Seán O'Neill
b. 1972
hurler
Sean O'Neill
Sean O'Neill
b. 1980
rower
Sean O'Neill
b. 1967
table tennis player
Sean O'Pry
b. 1989
model
Sean O'Reilly
b. 1974
writer
Seán O'Reilly
b. 1946
Gaelic football player
Sean O'Reilly
b. 1971
ice hockey player
Seán Ó Riada
1931 – 1971
composer
Seán Ó Ríordáin
1916 – 1977
writer
Sean O'Rourke
b. 1955
journalist
Seán Ó Sé
1936 – 2026
singer
Seán O'Shea
b. 1998
Seán Ó Síocháin
1914 – 1997
Gaelic football player
Seán O Súilleabháin
1903 – 1996
folklorist
Sean O'Sullivan
b. 1998
rugby league player
Sean O'Sullivan
b. 1987
baseball player
Sean O'Sullivan
b. 2000
engineer
Seán O'Sullivan
Gaelic football player
Seán O'Sullivan
1906 – 1964
painter
Sean O'Sullivan
1952 – 1989
politician
Sean O'Sullivan
b. 1994
snooker player
Seán Ó Tuama
1926 – 2006
poet
Seán O’Brien
b. 1987
rugby union player
Seán Óg
b. 1992
singer
Seán Óg De Paor
b. 1970
Gaelic football player
Seán Óg Farrell
b. 1971
Seán Óg Flood
b. 1935
Seán Óg Murphy
1897 – 1956
hurler
Seán Óg Ó Ceallacháin
1923 – 2013
Gaelic football player
Seán Óg Ó hAilpín
b. 1977
Gaelic football player
Seán Óg Sheehy
1939 – 2024
Gaelic football player
Sean Okoli
b. 1993
association football player
Sean Olson
b. 1976
film director
Sean Olsson
b. 1967
bobsledder
Sean Oppenheimer
b. 1967
politician
Sean O’Regan
b. 1980
basketball coach
Sean Orr
b. 1978
writer
Sean Ortiz
b. 1985
Canadian football player
Sean P. Brennan
politician
Sean P Colgan
researcher
Sean P. F. Hughes
1941 – 2025
surgeon
Sean P. Kilkenny
b. 1973
Seán P. Ó Ríordáin
1905 – 1957
teacher
Sean P. Stellato
b. 1977
American football player
Sean P. Walsh
b. 1950
politician
Sean Pablo
b. 1997
skateboarder
Sean Palfrey
b. 1968
darts player
Sean Palmer
b. 1973
actor
Sean Pangelinan
b. 1987
canoeist
Sean Panikkar
b. 1981
opera singer
Sean Panting
b. 1970
actor
Sean Pappas
1966 – 2015
golfer
Sean Park
b. 1980
cricketer
Sean Parker
b. 1979
entrepreneur
Sean Parker
b. 1997
association football player
Sean Parlaman
1958 – 2002
Sean Parnell
politician
Sean Parnell
b. 1962
lawyer
Sean Parrish
b. 1972
association football player
Sean Parry
b. 1987
cricketer
Sean Paterson
b. 1987
association football player
Sean Patrick Cannon
b. 1981
film director
Sean Patrick Fannon
b. 1966
designer
Sean Patrick Flanery
b. 1965
actor
Sean Patrick Goble
b. 1966
Sean Patrick Hazlett
b. 1975
writer
Sean Patrick Kane
b. 1991
association football player
Sean Patrick Maloney
b. 1966
politician
Sean Patrick O'Brien
1988 – 2023
referee
Seán Patrick O'Malley
b. 1944
university teacher
Sean Patrick Thomas
b. 1970
actor
Sean Patrick Villanueva
student
Sean Patton