Namesakes
Notable Actors and Entertainers:
6 actors
Joanne Dru 1922-1996 
Joanne Woodward 1930-
Joanne Whalley 1964-
Joanne Froggatt 1980-
Jennifer Metcalfe (middle name Joanne) 1982-
Stefani "Lady Gaga" Germanotta (middle name Joanne) 1986-
Notable Musicians:
1 musician
Stefani "Lady Gaga" Germanotta (middle name Joanne) 1986-
Notable Writers:
1 author
J. K. Rowling (a.k.a. Joanne) 1965-
Olympic Medalists:
2 bronze, 1 gold, 1 silver
(bronze) Joanne Goode 2000 badminton mixed doubles
(silver) Jo Hill 2000 basketball
(gold) Joanne Fox 2000 water polo
(bronze) Joanne Jackson 2008 swimming - 400 m freestyle
Oscar Award Winners:
1 actress
(actress) Joanne Woodward 1958 The Three Faces of Eve