Law magazines
- O.J. Simpson Trials: 1995 & 1996-97
- Ohio 7 Sedition Trial: 1989
- Oklahoma City Bombing Trials: 1997-98
- Oncale v. Sundowner Offshore Services, Inc.: 1998
- Onion Field Murder Trials: 1963-69
- Packard v. Packard: 1864
- Pagones v. Sharpton, Maddox, & Mason: 1997-98
- Pamela Smart Trial: 1991
- Patty Hearst Trial: 1976
- Paul Cox Trials: 1994
- Paula Coughlin v. the Las Vegas Hilton: 1994
- Penhallow v. The Lusanna: 1777
- Pete Rose Trial: 1990
- Peter A. Reilly Trial: 1974 & 1976
- Philadelphia Cordwainers Trial: 1806
- Plessy v. Ferguson: 1896
- President Andrew Johnson Impeachment Trial: 1868
- Presidential Election Trials: 2000
- Price and Bowers Trial: 1967
- Pulitzer Divorce Trial: 1982