Namesakes
Clarence "Hap" Day
(m) 1901-1990 
Hall-of-Famers 1961 (ice hockey)
Notable Athletes (ice hockey)
Leon Day
(m) 1916-1995
Hall-of-Famers 1995 (baseball)
Notable Athletes (baseball)
Doris Day
(f) 1922-2019
Notable Actors and Actresses
Notable Musicians
Daniel Day-Lewis
(m) 1957-
Notable Actors and Actresses
Oscar Award Winners 1989; 2007; 2012 My Left Foot; There Will Be Blood; Lincoln (actor)
Simon Paisley Day
(m) 1967-
Notable Actors and Actresses
Dominic Day
(m) 1985-
Notable Athletes (rugby)
Christine Day
(f) 1986-
Olympic Medalists 2012 4x400 m relay (bronze)
Dillon Day
(m) 1991-
Notable Athletes (football)
Misty Day
(f)
Fictional Characters from Television 2011 American Horror Story