Namesakes
Fictional Characters from Television:
3 characters
Roberta "Summer" Quinn (a.k.a. Summer) 1989 Baywatch 
Summer Roberts 2003 The O.C.
Summer Smith 2013 Rick and Morty
Notable Actors and Entertainers:
3 actors
Cree Summer (a.k.a. Summer) 1969-
Summer Glau 1981-
Ella Purnell (a.k.a. Summer) 1996-
Notable Musicians:
1 singer
Cree Summer (a.k.a. Summer) 1969-
Olympic Medalists:
1 silver/bronze/gold
(silver/bronze/gold) Summer Sanders 1992 swimming - 200 m butterfly; swimming - 200 m medley; swimming - 400 m medley; swimming - 4x100 m medley relay