| | Gordon State Park | Saint Marys, Ohio, United States | - | | - |
| Goseokjeong Land | Cheorwon, Gangwon-do, South Korea | SBNO | | 1 |
| Granada Studios | Manchester, Greater Manchester, England, United Kingdom | - | - | - |
| | Grand Canyon | Maalaqah, Beqaa, Lebanon | SBNO | - | 3 |
| Grand Mal Bekasi | Bekasi City, West Java, Indonesia | - | - | - |
| | Grand Pier | Weston-Super-Mare, Somerset, England, United Kingdom | - | | - |
| | Grand View Park | Little Falls, New Jersey, United States | - | | - |
| | Granite Park | Fresno, California, United States | - | | - |
| Granja Villa | Comas, Lima, Lima Province, Peru | SBNO | | 1 |
| | Great Adventure Amusement Park | Flushing, New York, United States | - | - | - |
| | Great Bradford Exhibition | Bradford, West Yorkshire, England, United Kingdom | - | | - |
| | Greater America Exposition | Omaha, Nebraska, United States | - | | - |
| | Greater Island Park | Easton, Pennsylvania, United States | - | | - |
| | Greater Ontario Beach | Rochester, New York, United States | - | ≤ | - |
| Great Xingdong Tourist World | Puding, Anshun, Guizhou, China | SBNO | | 9 |
| | Green Bo Garden | Jianye, Nanjing, Jiangsu, China | - | | - |
| | Greenland | Daegu, South Korea | - | - | - |
| | Greenland | Limbiate, Lombardy, Italy | SBNO | - | - |
| | Greenland Park | Enping, Jiangmen, Guangdong, China | - | ≤ | - |
| | Green Oaks Kiddy-Land | Oak Lawn, Illinois, United States | - | | - |
| | Greenpia Ena | Ena, Gifu, Japan | - | ≤ | - |
| | Green World | Dujiangyan, Chengdu, Sichuan, China | - | - | - |
| | Griffen Amusement Park | Jacksonville Beach, Florida, United States | - | - | - |
| Gröverland | Gadenstedt, Lower Saxony, Germany | - | s | - |