Ochs, Gerd(1903 - 1977) Germany
Ockenfels, Helmut(1937 - 1999) Germany
Ockert, Matthias(1970 - ) Germany
Odaira, Koichi(1960 - ) Japan
Odeh Tamimi, Samir(1970 - ) Palestine
Odriozola, Ricardo(1965 - ) Norway
Odstrcil, Karel(1930 - 1997) Czech Republic
Oehring, Helmut(1961 - ) Germany
Oelbrandt, Kris(1972 - ) Belgium
Oesterle, Michael(1968 - ) Canada
Ofenbauer, Christian(1961 - ) Austria
Ogawa, Takashi(1960 - ) Japan
Ogino, Mutsuhito(1981 - ) Japan
Ognjanović, Ivana(? - ) Serbia
Ogonek, Elizabeth(? - ) U.S.A.
Ogura, Shun(? - ) Japan
Oguri, Takayuki(1909 - 1945) Japan
Oh, Jung-Woong(1992 - ) Korea
Oh, Kenji(1981 - ) Japan
Oh, Seung-Ah(1969 - ) Korea
Oh, Sook-Ja(1941 - ) Korea
Ohana, Maurice(1914 - 1992) France
Ohls, Petter(1948 - ) Finland
Ohlsen, Óscar(? - ) Chile
Ohmae, Satoshi(1943 - ) Japan
Ohno, Masao(1943 - ) Japan
Okabe, Fujio(1947 - ) Japan
Okabe, Norikazu(? - ) Japan
Okada, Ayumi(? - ) Japan