| Jinshidi Amusement Park | Baiyun, Guangzhou, Guangdong, China | - | | - | - |
| | Jiugang Workers Amusement Park | Jiayuguan, Gansu, China | - | ≤ | - | - |
| | Johore Safari World | Simpang Renggam, Johor, Malaysia | - | | - | |
| | Jolly Cholly's Funland | North Attleboro, Massachusetts, United States | - | s | - | |
| | Joyland | Wichita, Kansas, United States | - | | - | |
| | Joyland | Sacramento, California, United States | - | | - | |
| | Joyland | Clearwater Beach, Florida, United States | - | | - | ≥ |
| | Joyland | Pinellas Park, Florida, United States | - | | - | |
| Joyland Amusement Park | Lubbock, Texas, United States | - | | - | |
| | Joyland Amusement Park | Bronx, New York, United States | - | | - | - |
| | Joyland Park | Lexington, Kentucky, United States | - | | - | |
| | Joyland Park | Decatur, Illinois, United States | - | | - | - |
| | Joypolis | Naka, Yokohama, Kanagawa, Japan | - | | - | ≤ |
| | JoyRides Family Fun Center | Colorado Springs, Colorado, United States | - | | - | |
| | Joy Zone | Seal Beach, California, United States | - | | - | - |
| | J's Amusement Park | Guerneville, California, United States | - | - | - | |
| | Jubilee Park | Carolina Beach, North Carolina, United States | - | | - | |
| | Julia Davis Fun Depot | Boise, Idaho, United States | - | - | - | - |
| | Junction Park | New Brighton, Pennsylvania, United States | - | | - | |
| | Jungle Jim's Playland | Shawnee, Kansas, United States | - | | - | ≥ |
| | Jungle Park | Skegness, Lincolnshire, England, United Kingdom | - | ≤ | - | ≥ |
| | Jungle Park Amusement Park | Kagoshima, Kagoshima, Japan | - | - | - | |
| | Just High | Shinan, Qingdao, Shandong, China | - | ≤ | - | |
| Just Kidding Family Fun Fair | District 7, Ho Chi Minh, Vietnam | - | | - | |