Educational magazines
- Odom, William E. 1932–2008
- Oe, Kenzaburo 1935-
- Oedipus Rex
- Oeppen, Jim (E.) (J. E. Oeppen)
- Oerter, Robert
- Of Mice and Men
- Off the Map
- Offer, Avner
- Officer, Charles
- Offit, Paul A. 1951-
- Offley, Ed 1948–
- Offner, Arnold A. 1937-
- Offutt, Andrew J. 1934(?)–
- Ofri, Danielle
- Ogasapian, John 1940-2005 (John K. Ogasapian, John Ken Ogasapian)
- Ogbu, John U(zor) 1939-2003
- Ogden, Margaret Lindholm 1952–
- Ogden, R. Todd 1965-
- Ogg, Alex
- Ogilbee, Mark