O'brien Karen
O'donnell William
O'shaughnessy Elizabeth
Offor Chijioke
Oh Christine
Okada Sarah
Okigbo Nnenna I.
Olaciregui Andres
Olivos Guillermo O.
Olsson Adam Richard
Olszewski Mariusz Artur
Omohundro Phillip H.
Ong Desiree
Onukogu Adaku C.
Onyewu Chukwuemeka
Oristian Eric A.
Oser Irnest S.
Osterman Howard
Oufiero Lawrence A.
Ozanne-blankfard Charlene