Educational magazines
- Owens, Suzanne (R.)
- Owens, Virginia Stem 1941–
- Owens, William A. 1905-1990
- Owings, Alison 1944-
- Oxenbury, Helen 1938-
- Oyeyemi, Helen 1984–
- Oysters
- Oz, Amos 1939-
- Oz, Amos 1939-
- Oz, Daphne 1986(?)-
- Oz, Mehmet C. 1960–
- Ozick, Cynthia 1928–
- Ozymandias
- O’Neill, William L. 1935-
- Paarlberg, Don 1911–2006
- Pace, Alison
- Pace, Robert F. 1966–
- Pacelle, Mitchell
- Pacepa, Ion Mihai 1928-
- Pacernick, Gary 1941-