| | Alpe d'Huez | Huez, Auvergne-Rhône-Alpes, France | Operating | | 1 |
| Alpincenter Bottrop | Bottrop, North Rhine-Westphalia, Germany | Operating | ≤ | 1 |
| Alpsee Bergwelt | Immenstadt, Bavaria, Germany | Operating | - | 1 |
| Alpspitzbahn Nesselwang | Nesselwang, Bavaria, Germany | Operating | ≤ | 1 |
| | Alpyland Mottarone | Stresa, Piedmont, Italy | Operating | - | 1 |
| Altinbas Lunapark | Yalova, Yalova, Turkey | Operating | | 1 |
| AltınPark Bursa | Bursa, Bursa, Turkey | Operating | ≤ | 2 |
| AltmühlBOB | Riedenburg, Bavaria, Germany | Operating | - | 2 |
| Alton Towers | Alton, Staffordshire, England, United Kingdom | Operating | | 11 |
| American Adventure Theme Park | Ilkeston, Derbyshire, England, United Kingdom | - | | - |
| Amigoland | Grau-du-Roi, Occitanie, France | Operating | ≤ | 1 |
| Amsterdam Dungeon | Amsterdam, North Holland, Netherlands | Operating | | - |
| | Amtree Park | Filey, North Yorkshire, England, United Kingdom | - | | - |
| | Amusement Park Vrnjacka Banja | Vrnjačka Banja, Šumadija, Serbia | Operating | | 1 |
| Amusementspark Tivoli | Berg en Dal, Gelderland, Netherlands | Operating | | 1 |
| Ange Michel | Saint Martin de Landelles, Normandy, France | Operating | | 4 |
| | Anglo-American Exhibition | London, Greater London, England, United Kingdom | - | | - |
| Animal Farm Adventure Park | Berrow, Somerset, England, United Kingdom | Operating | ≤ | - |
| Animaparc Occitanie | Le Burgaud, Occitanie, France | Operating | | 2 |
| Ankara Luna Park | Ankara, Ankara, Turkey | Operating | ≤ | 2 |
| | Anna's Hoeve | Hilversum, North Holland, Netherlands | - | ≤ | - |
| | Anniversary Park | Kramatorsk, Donetsk, Ukraine | Operating | ≤ | 1 |
| Antibes Land | Antibes, Provence-Alpes-Côte d'Azur, France | Operating | | 3 |
| | Aquashow Family Park | Quarteira, Faro, Portugal | Operating | | 2 |