| | Kiddieland Amusement Park | Wichita, Kansas, United States | - | ≤ | - |
| | Kiddie Land Amusement Park | Galveston, Texas, United States | - | | - |
| Kiddieland | Melrose Park, Illinois, United States | - | | - |
| | Kiddieland | Laconia, New Hampshire, United States | - | ≤ | - |
| | Kiddieland | Toledo, Ohio, United States | - | ≤ | - |
| | Kiddieland | Cherry Hill, New Jersey, United States | - | | - |
| | Kiddieland | Kansas City, Missouri, United States | - | ≤ | - |
| | Kiddieland | Terre Haute, Indiana, United States | - | | - |
| | Kiddie Land | St. Louis, Missouri, United States | - | | - |
| | Kiddie Land | Lansing, Michigan, United States | - | | - |
| | Kiddieland | Overland Park, Kansas, United States | - | - | - |
| | KiddieLand | Detroit Lakes, Minnesota, United States | - | | - |
| | Kiddie City | Douglaston, New York, United States | - | | - |
| Kid City | Tangerang, West Java, Indonesia | - | | - |
| | Kibinokyo Wonderland | Takahashi, Okayama, Japan | - | | - |
| | Khu vui chơi Phú Mỹ Hưng | Ho Chi Minh, Vietnam | - | - | - |
| | Khu vui chơi giải trí Suối Cát | Phan Thiết, Bình Thuận, Vietnam | - | - | - |
| | Keystone Park | Sayre, Pennsylvania, United States | - | ≤ | - |
| | Kerry Leisureland | Kuala Lumpur, Kuala Lumpur, Malaysia | - | - | - |
| Kentucky Kingdom | Louisville, Kentucky, United States | Operating | | 5 |
| | Kelly's Hall | Philadelphia, Pennsylvania, United States | - | ≤ | - |
| | Keewahdin Park | Port Huron, Michigan, United States | - | | - |
| | Kaydeross Park | Saratoga Springs, New York, United States | - | ≤ | - |
| | Kavakli Luna Park | Küçükçekmece, Istanbul, Istanbul, Turkey | - | ≤ | - |