| | Waterville USA | Gulf Shores, Alabama, United States | Operating | | - |
| | Waukesha Beach | Pewaukee, Wisconsin, United States | - | | - |
| | Waverly Beach | Beloit, Wisconsin, United States | - | - | - |
| | Waverly Park | Lansing, Michigan, United States | - | | - |
| Web Adventure Park | York, North Yorkshire, England, United Kingdom | Operating | ≤ | 1 |
| | Wedgewood Park | Oklahoma City, Oklahoma, United States | - | | - |
| | Wedgewood Village | Oklahoma City, Oklahoma, United States | - | | - |
| | Wee Tee | Toledo, Ohio, United States | - | - | - |
| Weibin Park | Qindu, Xianyang, Shaanxi, China | Operating | ≤ | 1 |
| Weidu Water World | Nanjiao, Datong, Shanxi, China | Operating | - | 1 |
| | Weihaigang Park | Huancui, Weihai, Shandong, China | Operating | ≤ | - |
| | Weihe Guojia Shuili Scenic Area | Zhucheng, Weifang, Shandong, China | Operating | ≤ | 1 |
| | Weihe Park | Meixian, Baoji, Shaanxi, China | Operating | ≤ | 1 |
| | Weishi County Wanhuilong Theme Park | Weishi, Kaifeng, Henan, China | Operating | | 1 |
| | Welt-Etablissement Schloss Weißensee | Berlin, Berlin, Germany | - | | - |
| | Wenfeng Park | Chongchuan, Nantong, Jiangsu, China | Operating | ≤ | 1 |
| | Wengting Park | Qionglai, Chengdu, Sichuan, China | Operating | ≤ | 1 |
| | Wenona Beach | Bay City, Michigan, United States | - | | - |
| | Wenshan Rainbow Paradise | Wenshan, Wenshan, Yunnan, China | - | | - |
| Wenzhou Paradise | Ouhai, Wenzhou, Zhejiang, China | Operating | ≤ | 4 |
| Wenzhou Zoo | Lucheng, Wenzhou, Zhejiang, China | Operating | ≤ | 1 |
| Wesole Miasteczko Family Park | Mielno, Zachodniopomorskie, Poland | Operating | | 1 |
| Wesołe Miasteczko Sielpia Wielka | Sielpia Wielka, Świętokrzyskie, Poland | Operating | ≤ | 1 |
| | West End Heights | St. Louis, Missouri, United States | - | | - |