Olszak Zbigniew
Olver Peter J.
Onda Kensuke
Oniciuc Cezar
Onishchik A.
Onishchik A. L.
Onnis Irene I.
Ono Hajime
Ontalba Martinez C.
Ontaneda Pedro
Opozda Barbara
Oprea John
Oprea Teodor
Oproiu Vasile
Oral Seda
Ornea Liviu
Orshanskiy Sergey
Ortacgil Ercument
Oscari David
Osuna-Castro Osvaldo