Namesakes
Clarence DeMar
(a.k.a. Harrison) (m) 1888-1958 
Olympic Medalists 1924 marathon (bronze)
Jack Dempsey
(a.k.a. Harrison) (m) 1895-1983
Notable Athletes (boxing)
Harry Glancy
(m) 1904-2002
Olympic Medalists 1924 swimming - 4x200 m freestyle relay (gold)
Harrison "Bones" Dillard
(m) 1923-2019
Olympic Medalists 1948; 1952 100 m; 110 m hurdles; 4x100 m relay (gold)
Leland H. Hartwell
(a.k.a. Harrison) (m) 1939-
Nobel Prize Winners 2001 (medicine)
Harrison Page
(m) 1941-
Notable Actors and Entertainers (actor)
Harrison Ford
(m) 1942-
Notable Actors and Entertainers (actor)
Harrison Afful
(m) 1986-
Notable Athletes (soccer)
Harrison Smith
(m) 1989-
Notable Athletes (football)
Harry Morgan
(m)
Fictional Characters from Books 2004 Darkly Dreaming Dexter
Fictional Characters from Television 2006 Dexter
Archie of Sussex
(a.k.a. Harrison) (m) 2019-
Other Royalty 2023- United Kingdom (prince)