Namesakes
Geertje Wielema
(f) 1934-2009 
Olympic Medalists 1952 swimming (silver)
Willeke van Ammelrooy
(a.k.a. Geertje) (f) 1944-
Notable Actors and Entertainers (actor)
Klenie Bimolt
(a.k.a. Geertje) (f) 1945-
Olympic Medalists 1964 swimming - 4x100 m medley relay (silver)