Namesakes
Gundelindis
(a.k.a. Gwendoline) (f) ?-750 
Saints
Gwendoline Christie
(f) 1978-
Notable Actors and Entertainers (actor)
Gwendoline Porter
(f) 1902-1993
Olympic Medalists 1932 4x100 m relay (bronze)
Gwendoline Yeo
(f) 1977-
Notable Actors and Entertainers (actor)
Joanne Goode
(middle name Gwendoline) (f) 1972-
Olympic Medalists 2000 badminton mixed doubles (bronze)