Ernest Ochsner (b. 1944)
Bonnie O’Connell (b. 1946)
Debora Oden-Meza
James Knox O’Neil (1848–1922)
Robyn O’Neil (b. 1977)
Rose O’Neill (1874–1944)
Vada Kinman Oldfield (1910–1999)
Bonnie O’Connell (b. 1946)
Debora Oden-Meza
James Knox O’Neil (1848–1922)
Robyn O’Neil (b. 1977)
Rose O’Neill (1874–1944)
Vada Kinman Oldfield (1910–1999)
Sue Olson-Mandler (b. 1941)
Paul Otero (b. 1950)
Fred Otnes (1925–2015)
George M. Ottinger (1833–1917)
