| America's Fun Park | Branson, Missouri, United States | - | | - | |
| Amtree Park | Filey, North Yorkshire, England, United Kingdom | - | | - | |
| Amusement Park Drive In | Laurel, Montana, United States | - | | - | |
| Angela Park | Drums, Pennsylvania, United States | - | | - | |
| Anglo-American Exhibition | London, Greater London, England, United Kingdom | - | | - | |
| Anna's Hoeve | Hilversum, North Holland, Netherlands | - | ≤ | - | ≥ |
| AOIA | Higashinada, Kobe, Hyōgo, Japan | - | | - | |
| Appu Ghar | New Delhi, Delhi, India | - | s | - | |
| Aquarela Kids | São Paulo, São Paulo, Brazil | - | ≤ | - | |
| Arcadas | Santo Domingo, Distrito Nacional, Dominican Republic | - | | - | ≤ |
| Arcola Park | Rochelle Park, New Jersey, United States | - | | - | |
| Arlington Beach Park | Arlington, Virginia, United States | - | | - | |
| Asian-Pacific Exposition Fukuoka '89 | Sawara, Fukuoka, Fukuoka, Japan | - | | - | |
| Asian Paradise | Daxi, Taoyuan City, Taiwan | - | ≤ | - | ≤ |
| Atami Korakuen Yuenchi Apio | Atami, Shizuoka, Japan | - | ≤ | - | |
| Atlantika | Vásárosnamény, Szabolcs-Szatmár-Bereg, Hungary | - | | - | |
| Atlantika Vízividámpark | Vásárosnamény, Szabolcs-Szatmár-Bereg, Hungary | - | ≤ | - | |
| Atlantis Family Amusement Park | Scarborough, North Yorkshire, England, United Kingdom | - | | - | |
| Atlas Park | Clacton-on-sea, Essex, England, United Kingdom | - | | - | |
| Attraction Park | Saint Petersburg, Saint Petersburg, Russia | - | ≤ | - | - |
| Attraktsiony Dlya Detey | Saint Petersburg, Saint Petersburg, Russia | - | | - | |
| Aventura Center | Las Condes, Santiago, Chile | - | ≤ | - | |
| Aventura Park | Independencia, Lima, Lima Province, Peru | - | ≤ | - | |
| Aventura Park | Independencia, Lima, Lima Province, Peru | - | | - | - |