| Bosworth Water Trust Leisure Park | Market Bosworth, Leicestershire, England, United Kingdom | - | ≤ | - |
| Bowcraft Playland | Scotch Plains, New Jersey, United States | - | | - |
| | Boyd Park | Wabash, Indiana, United States | - | | - |
| | Boys Land | Khamis Mushait, 'Asir, Saudi Arabia | - | - | - |
| | Bracalândia | Braga, Braga, Portugal | - | | - |
| | Brady Lake Park | Ravenna, Ohio, United States | - | - | - |
| | Brandywine Picnic Park | West Chester, Pennsylvania, United States | - | ≤ | - |
| Brandywine Springs | Wilmington, Delaware, United States | - | s | - |
| | Bratislavský Lunapark | Bratislava, Bratislava, Slovakia | - | s | - |
| | Breizh Land Parc | Surzur, Brittany, France | - | | - |
| | Bridlington Experience | Bridlington, East Riding of Yorkshire, England, United Kingdom | - | - | - |
| | Brighton Beach | Brooklyn, New York, United States | - | - | - |
| | British Colorful Global Carnival | Xiuyu, Putian, Fujian, China | - | - | - |
| | British Empire Exhibition | Brent, Greater London, England, United Kingdom | - | | - |
| | Broad Ripple Park | Indianapolis, Indiana, United States | - | | - |
| | Bryce's Ponyville and Kiddy Ride Park | Golden Glades, Florida, United States | - | s | - |
| | Buckeye Lake | Buckeye Lake, Ohio, United States | - | - | - |
| | Buckroe Beach Park | Hampton, Virginia, United States | - | | - |
| | BüyükÇekmece | Istanbul, Istanbul, Turkey | - | - | - |
| Buffalo Bill's Resort & Casino | Primm, Nevada, United States | SBNO | | 1 |
| | Buffet Bosque Encantado | São Paulo, São Paulo, Brazil | - | ≤ | - |
| Bugok Hawaii | Geomun, Bugok, Changnyeong, Gyeongsangnam-do, South Korea | - | | - |
| | Buin Park | Buin, Santiago, Chile | - | ≤ | - |
| | Burke Glen Park | Monroeville, Pennsylvania, United States | - | | - |