O'Hagan Timothy P.
O'Mara Kerry Dennis
Ogusu Masayuki
Ohanian Thomas
Ohtsuka Akinori
Ojala Jukka
Oka Minoru
Oksanen Markku A.
Oliveros Ernesto V.
Oliveros Ernesto Vidal
Orang-Otang Computers, Inc.
Oskorep John J.
Ota Kazuyo
Ouyang Yen I
Ouyang Yen-I