Eurovision Song Contest Winners: 1 winner
Johnny Logan (a.k.a. Seán)   1980; 1987   Ireland  
Fictional Characters from Song Titles: 1 character
(character) Sean Flynn   1982   Sean Flynn  
Fictional Characters from Television: 4 characters
Sean Blumberg   1998   Felicity  
Sean DeLuca   1999   Roswell  
Sean Hillinger   2001   24  
Sean McNamara   2003   Nip/Tuck  
Hurricanes and Tropical Storms: 2 storms
Storm Sean   2011  
Storm Sean   2023  
Irish Presidents and Prime Ministers: 1 president, 1 prime minister
(president) Seán T. O'Kelly   1945-1959  
(prime minister) Seán Lemass   1959-1966  
Nobel Prize Winners: 1 peace
(peace) Seán MacBride   1974  
Notable Actors and Entertainers: 18 actors, 1 youtuber
Sean Connery   1930-2020  
Seán McGinley   1956-  
Sean Bean   1959-  
Sean Young   1959-  
Sean Penn   1960-  
Sean Pertwee   1964-  
Sean Patrick Flanery   1965-  
Sean Kanan   1966-  
Sean Blakemore   1967-  
Jason Donovan (a.k.a. Sean)   1968-  
Robert Sean Leonard   1969-  
Sean Hayes   1970-  
Sean Patrick Thomas   1970-  
Sean Astin   1971-  
Sean Maguire   1976-  
Adrian Grenier (a.k.a. Sean)   1976-  
Sean Murray   1977-  
Tyler Labine (a.k.a. Sean)   1978-  
Seán William "Jacksepticeye" McLoughlin   1990-  
Notable Athletes: 4 rugby
(rugby) Sean Lamont   1981-  
(rugby) Seán O'Brien   1987-  
(rugby) Sean Maitland   1988-  
(rugby) Sean McMahon   1994-  
Notable Journalists: 1 commentator
(commentator) Sean Hannity   1961-  
Notable Musicians: 5 singers
Johnny Logan (a.k.a. Seán)   1954-  
Jason Donovan (a.k.a. Sean)   1968-  
Sean Combs   1969-  
Sean Paul   1973-  
Big Sean   1988-  
Notable Writers: 1 author
Seán Ó Faoláin   1900-1991  
Olympic Medalists: 1 bronze, 1 gold
(bronze) Tom McBreen (a.k.a. Sean)   1972   swimming - 400 m freestyle  
(gold) Sean Burroughs   2000   baseball  
Oscar Award Winners: 2 actors
(actor) Sean Connery   1988   The Untouchables  
(actor) Sean Penn   2004; 2009   Mystic River; Milk