O'brien J. P.
O'brien Ralph
O'donovan Christopher
O'donovan Val M.
O'krafka Mark William
O'shea Michael
Oconnor Derek John
Oliver R. E.
Ordyniec Richard P.
Ori Laszlo
Orisi Duke Nyangau
Osamu Henry
Ostner Michael Anton
Ottney William
Canada
World
United States