Eastman, Charles A. (Ohiyesa)
Halsey, Harlan Page (Old Sleuth)
Ober, C.K.
Ogden, Ruth (Mrs C.W. Ide)
Ogg, Frederic Austin
O'Grady, Standish
Ohnet, Georges
Okakura, Kakuzo
Olcott, Frances J.
Oliphant, Mrs Margaret
Oliver, Charles
Ollivant, Alfred
Olmstead, Albert Ten Eyck
O'Meara, James
O'Neill, Eugene
Onerva, L.
Oppenheim, E. Phillips (Anthony Partridge)
Optic, Oliver (William Taylor Adams)
Orczy, Baroness Emmuska
O'Reilly, A.J.
Ornsby, Robert
Orr, Charles Ebert
Orr, Lyndon
Orr, Mrs Sutherland
Orth, Samuel Peter
Osborne, Oliver T.
Osbourne, Lloyd
Osler, William
Osmer, William
Ossendowski, Ferdinand
Ossoli, Margaret Fuller
Ostrovsky, Aleksandr Nicolaevich
Otis, James (James Otis Kaler)
Overton, Mark
Ovid (Publius Ovidius Naso)
Owahyah
Owen, Wilfred
Oxley, John
Ozaki, Yei Theodora
Ramée, Louise de la (Ouida)
Reed, Myrtle (Olive Green)
D'Oliveira, E.
O'Brien, Frederick
Ortigão, José Duarte Ramalho
Buchan, Anna Masterton (Olive Eleanor (Constance) Douglas)
O'Kelly, Seumas
O'Brien, George
Ouida
Ólafsson, Jón
Oxenham, John (William Arthur Dunkerley)
Orcutt, William Dana
Onions, Oliver (George Oliver)
Oemler, Marie Conway
Offenbach, Jaques
Ongelin, Hanna
Oliphant, Laurence
Overton, Jacqueline M.
Oppenheim, James
Ober, Frederick A.
Owen, Luella Agnes
Obrien, Francis P.
O'Donnell, Elliott
Oliver, Stephen
Osborne, Dorothy
Ossip-Lourie
Ormsby, Thomas H.
Oxley, J. Macdonald
Osler, Edward
Ogilvy, Maude
Aimard, Gustave (Oliver Gloux or Oliver Gloux Aimard)
Olcott, Henry Steel
O'Squarr, Charles-M. Flor
Ogilvie, D.D.
Omond, George W. T.
O'Brien, Jack
O'Neill, Elizabeth
Ordnance, Bureau of
Ó Duinnín, An tAthair Pádraig
O'Mahony, John
Osbourne, Mrs. David
O'Brien, Fitz-James
Oyen, Henry
Oelenschläger, Adam
Orton, George Washington
Oriani, Alfredo
Owen, Elias
Orpen, William
Osborne, Duffield
Officer, The Intelligence
Orzeszko, Eliza (Orzeszkowa)
Ontario, Ministry of Education
Oahu College, The Trustees of the Punahou School and
Ogden, George Washington
Otway, Thomas
Oldroyd, Osbourne H.
Ostwald, Hans
Ordway, Edith B.
Orr, Lucinda Lee
Oakey, Daniel
Ocanto, Carlos Maria
O'Keefe, John
Olney, Warren
Osborn, Sherard
O'Higgins, Harvey J.
Ogilvie, John
Onkel, Adam (Carl Anton Wetterbergh)
O'Brien, Joseph
Oppenheim, Lassa
Omelka, F.
Okey, Thomas
Old, Walter Gorn (Sepharial)
Owen, Catherine
O'Connor, William. D.
Okusa, Yejitsu
Overton, Grant Martin
Osório, Ana de Castro
Obama, Barack
Ormondroyd, Edward
Ernst, Otto (Otto Ernst Schmidt)
Owens, John Algernon
Orchard, Thomas Nathaniel
Orton, Helen Fuller
Onspaugh, Mark
Oates, W. Coape
Orr, Emily C.
O'Connor, Bob (Lemuel Gulliver XVI)
Oehlenschlager, Adam Gottlob
Ostrander, Isabel (Douglas Grant)
Ogden, Henry N.
O'Hara, Thomas J.
O'Neal, Mark
Ottolengui, Rodrigues
Orton, Arthur W.
Owen, Grace Arlington
Osborne, Carolyn M.
Olin, Richard
Osborne, Lloyd
O'Kane, Kevin (Caoimhghin O'Cathain)
