- Philadelphia Naval Shipyard (Philadelphia, Pa.)1
- Phlebitis1
- President Coolidge (Steamship)1
- Prisoners of War1
- Purple Heart1
- Pyle, Ernie, 1900-19451
- Queen Elizabeth (ship)1
- Quonset huts1
- Radar1
- Radar confusion reflectors1
- Radford (Destroyer)1
- Rizal Memorial Baseball Stadium (Manila, Philippines)1
- Robert Clay Hotel (Miami, Fla.)1
- Rockefeller, Harry1
- Roosevelt, Franklin D. (Franklin Delano), 1882-1945--Death and burial1
- Royal Insurance Company of America1
- Saipan, Battle of, Northern Mariana Islands, 19441
- Salvation Army of America1
- Sealtest, Inc.1
- Self-sealing fuel tanks1
