Otte, Andreas(1967 - ) Germany
Otte, Erik(? - ) The Netherlands
Otte, Hans(1926 - 2007) Germany
Ouellette, Antoine(1960 - ) Canada
Ouper, Jeffrey(? - ) USA
Ourkouzounov, Atanas(1970 - ) Bulgaria
Ovejero, Osvaldo Antonio(1960 - ) Austria
Overton, Hall(1920 - 1972) USA
Ovsepyan, Petros(1966 - ) Azerbaijan
Owen, Harold(1931 - ) USA
Owen, Jerry(1944 - ) USA
Owens, Terry Winter(1936 - 2007) USA
Oxfort, Wolfgang(1955 - )
Ozab, David(1965 - ) USA
Ozaita Marqués, María Luisa(1939 - 2017) Spain
Ozaki, Toshiyuki(1946 - ) Japan
Özdemir, Tolga(1975 - ) Turkey