| | Walled Lake Park | Walled Lake, Michigan, United States | - | | - |
| | Walnut Beach Park | Milford, Connecticut, United States | - | - | - |
| Walter World | Poços de Caldas, Minas Gerais, Brazil | Operating | ≤ | 2 |
| | Wanda Children's Park | Hongshan, Wuhan, Hubei, China | - | ≤ | - |
| Wanda Plaza | Zhangzhou, Fujian, China | - | ≤ | - |
| Wanda Plaza | Wujin, Changzhou, Jiangsu, China | - | ≤ | - |
| | Wandoshan Amusement Park | Lubei, Tangshan, Hebei, China | - | | - |
| | Wanjuan Pavilion Scenic Area | Shunqing, Nanchong, Sichuan, China | - | ≤ | - |
| | Wasalandia | Vaasa, Ostrobothnia, Finland | - | | - |
| | Washington Park | Hammond, Indiana, United States | - | ≤ | - |
| | Washington Park | Michigan City, Indiana, United States | - | - | - |
| | Washington Park | Westville, New Jersey, United States | - | | - |
| | Washington Park | Philadelphia, Pennsylvania, United States | - | ≤ | - |
| | Watch Tower Amusement Park | Rock Island, Illinois, United States | - | | - |
| Water Garden Salmaniya | Manama, Capital, Bahrain | Operating | ≤ | - |
| | Water Park | Yichun, Yichun, Heilongjiang, China | - | ≤ | - |
| | Waukesha Beach | Pewaukee, Wisconsin, United States | - | | - |
| | Waverly Beach | Beloit, Wisconsin, United States | - | - | - |
| | Waverly Park | Lansing, Michigan, United States | - | | - |
| | Wedgewood Park | Oklahoma City, Oklahoma, United States | - | | - |
| | Wedgewood Village | Oklahoma City, Oklahoma, United States | - | | - |
| | Wee Tee | Toledo, Ohio, United States | - | - | - |
| | Welt-Etablissement Schloss Weißensee | Berlin, Berlin, Germany | - | | - |
| | Wenona Beach | Bay City, Michigan, United States | - | | - |