Namesakes
American Presidents:
1 president
Chester A. Arthur (a.k.a. Alan) 1881-1885 
Emmy Award Winners:
3 actors
(actor) Alan Young 1951
(actor) Alan Alda 1974; 1982 M*A*S*H
(actor) Alan Rickman 1996 Rasputin: Dark Servant of Destiny
Eurovision Song Contest Winners:
1 winner
Bobby G. (a.k.a. Alan) 1981 United Kingdom
Fictional Characters from Books:
1 character
Alan Grant 1990 Jurassic Park
Fictional Characters from Movies:
1 character
Alan Grant 1993 Jurassic Park
Fictional Characters from Television:
6 characters
Alan Tracy 1965 Thunderbirds
Alan Bolton 1994 Heartbreak High
Alan Lowe 1997 The Practice
Alan Shore 1997; 2004 The Practice; Boston Legal
Alan Harper 2003 Two and a Half Men
Alan Matthews 1993; 2014 Boy Meets World; Girl Meets World
Hall-of-Famers:
2 football, 1 baseball, 1 basketball
(basketball) Jerry West (a.k.a. Alan) 1979
(football) Alan Page 1988
(baseball) Alan Trammell 2018
(football) Alan Faneca 2021
Most Valuable Players:
1 winner
Alan Page 1971 football
Nobel Prize Winners:
2 chemistry, 1 medicine, 1 physics
(medicine) Alan Lloyd Hodgkin 1963
(physics) Russell Alan Hulse 1993
(chemistry) Alan MacDiarmid 2000
(chemistry) Alan J. Heeger 2000
Notable Actors and Entertainers:
25 actors, 1 comedian/actor, 1 presenter
Olan Soule (a.k.a. Alan) 1909-1994
Alan Ladd 1913-1964
Alan Young 1919-2016
Alan Arkin 1934-2023
Marty Feldman (a.k.a. Alan) 1934-1982
Alan Alda 1936-
Gareth Hunt (a.k.a. Alan) 1942-2007
Alan Rickman 1946-2016
Alan Thicke 1947-2016
Wayne Northrop (a.k.a. Alan) 1947-
Warren Clarke (a.k.a. Alan) 1947-2014
Alan Dale 1947-
Maury Chaykin (a.k.a. Alan) 1949-2010
Tim Allen (a.k.a. Alan) 1953-
David Alan Grier 1956-
Alan Ruck 1956-
Alan Fletcher 1957-
Billy Warlock (a.k.a. Alan) 1961-
Rob Morrow (a.k.a. Alan) 1962-
Alan Cumming 1965-
Alan Davies 1966-
Mark Ruffalo (a.k.a. Alan) 1967-
Trevor White (a.k.a. Alan) 1970-
Alan Tudyk 1971-
Alan Carr 1976-
A. J. Buckley (a.k.a. Alan) 1977-
Allen Leech (a.k.a. Alan) 1981-
Notable Athletes:
7 soccer, 2 driving, 1 basketball, 1 rugby
(driving) Alan Stacey 1933-1960
(basketball) Jerry West (a.k.a. Alan) 1938-
(driving) Alan Jones 1946-
(soccer) Alan Mannus 1982-
(rugby) Drew Mitchell (a.k.a. Alan) 1984-
(soccer) Seydou Doumbia (a.k.a. Alan) 1987-
(soccer) Alan Kardec 1989-
(soccer) Alan Dzagoev 1990-
(soccer) Alan Pulido 1991-
(soccer) Stuart Dallas (a.k.a. Alan) 1991-
(soccer) Jason Davidson (a.k.a. Alan) 1991-
Notable Explorers and Adventurers:
1 explorer
Alan Shepard 1923-1998
Notable Filmmakers:
1 director
Alan Parker 1944-2020
Notable Musicians:
5 musicians, 4 singers, 2 composers
Barry Manilow (a.k.a. Alan) 1943-
Doug Yule (a.k.a. Alan) 1947-
Alan Parsons 1948-
Alan Menken 1949-
Hugh Cornwell (a.k.a. Alan) 1949-
Alan Silvestri 1950-
Boy George (a.k.a. Alan) 1961-
Glenn Medeiros (a.k.a. Alan) 1970-
Chris Kirkpatrick (a.k.a. Alan) 1971-
Robin Thicke (a.k.a. Alan) 1977-
Alan Walker 1997-
Notable Philosophers and Thinkers:
1 mathematician
Alan Turing 1912-1954
Notable Scientists and Inventors:
1 physicist
Russell Alan Hulse 1950-
Notable Writers:
3 authors
A. A. Milne (a.k.a. Alan) 1882-1956
Alan Moore 1953-
Alan Hollinghurst 1954-
Olympic Medalists:
7 gold, 5 silver, 3 bronze, 1 bronze/silver/gold, 1 silver/bronze
(gold) Alan Helffrich 1924 4x400 m relay
(bronze) Alan Greene 1936 diving - springboard
(silver) Alan Ford 1948 swimming - 100 m freestyle
(gold) Hayes Alan Jenkins 1956 figure skating
(gold) Jerry West (a.k.a. Alan) 1960 basketball
(silver) Alan Pascoe 1972 4x400 m relay
(bronze/silver/gold) Jerry Heidenreich (a.k.a. Alan) 1972 swimming - 100 m butterfly; swimming - 100 m freestyle; swimming - 4x100 m freestyle relay; swimming - 4x100 m medley relay
(gold) Kenny Carr (a.k.a. Alan) 1976 basketball
(bronze) Alan McClatchey 1976 swimming - 4x200 m freestyle relay
(silver) Terry Schroeder (a.k.a. Alan) 1984; 1988 water polo
(silver) Alan Mouchawar 1988 water polo
(gold) Richard Schroeder (a.k.a. Alan) 1988 swimming - 4x100 m medley relay
(gold) Alan Budikusuma 1992 badminton singles
(silver) Alan Gregov 1992 basketball
(silver/bronze) Larsen Jensen (a.k.a. Alan) 2004; 2008 swimming
(bronze) Alan Campbell 2012 rowing
(gold) Alan Khugayev 2012 Greco-Roman wrestling
Oscar Award Winners:
1 actor
(actor) Alan Arkin 2007 Little Miss Sunshine
Pulitzer Award Winners:
1 literature
(literature) James Alan McPherson 1978 Elbow Room
Rock and Roll Hall-of-Famers:
5 musicians
Al Jardine 1988 The Beach Boys
Alan Price 1994 The Animals
Alan White 2017 Yes
Alan Clark 2018 Dire Straits
Alan Wilder 2020 Depeche Mode
Saints:
2 blessed
Blessed Alain de la Roche (a.k.a. Alan) 1428-1475
Blessed Alain de Solminihac (a.k.a. Alan) 1593-1659