| | Opryland USA | Nashville, Tennessee, United States | - | | - | |
| | Owasco Lake Park | Auburn, New York, United States | - | | - | - |
| | Pabst Park | Milwaukee, Wisconsin, United States | - | ≤ | - | ≥ |
| | Pacific City | Burlingame, California, United States | - | | - | |
| | Pacific Ocean Park | Santa Monica, California, United States | - | | - | |
| | Palisades Amusement Park | Cliffside Park, New Jersey, United States | - | | - | |
| | Panama-Pacific International Exposition | San Francisco, California, United States | - | | - | |
| | Pan-American Exposition | Buffalo, New York, United States | - | | - | |
| | Paradise Lake | Wills Township, Ohio, United States | - | | - | |
| | Paradise Park | New York, New York, United States | - | | - | |
| | Paradise Park | Rye, New York, United States | - | | - | |
| | Paragon Park | Hull, Massachusetts, United States | - | | - | |
| | Park Island | Lake Orion, Michigan, United States | - | ≤ | - | |
| | Paul Boyton's Sea Lion Park | Brooklyn, New York, United States | - | | - | ≥ |
| | Paul Bunyan Amusement Center | Baxter, Minnesota, United States | - | | - | |
| | Paul Bunyan's Adventure Golf | Wisconsin Dells, Wisconsin, United States | - | ≤ | - | - |
| | Paxtang Park | Harrisburg, Pennsylvania, United States | - | | - | |
| | P. B. A. Amusement Park | Miami, Florida, United States | - | ≤ | - | ≤ |
| | Peony Park | Omaha, Nebraska, United States | - | | - | |
| | Peppermint Land | Jekyll Island, Georgia, United States | - | | - | |
| | Peppermint Park | Madison, Wisconsin, United States | - | | - | |
| | Peter Pan Kiddie Land | West Nyack, New York, United States | - | | - | |
| Peter Piper Pizza | Las Vegas, Nevada, United States | - | ≤ | - | |
| | Peter Piper Pizza | Las Vegas, Nevada, United States | - | ≤ | - | - |