| Abbreviation | Definition |
|---|---|
| IG | International Golf |
| IGA | Idaho Golf Association |
| IGA | Indiana Golf Association |
| IGAF | Iowa Golf Association Foundation |
| IGC | International Golf Corporation |
| IGF | International Golf Federation |
| IGK | 0stanbul Golf Kulübü |
| IGM | International Golf Maintenance |
| IGN | International Golf Network |
| IGPA | International Golf Psychology Association |
| IGQ | International Golf Qualifications (New Zealand) |
| IGST | International Golf Society of Taipei |
| IGTF | Irish Golf Teachers Federation |
| IGTM | International Golf Travel Market |
| IJGA | Illinois Junior Golf Association |
| IMGA | Ironwood Men's Golf Association |
| ING | International Network of Golf |
| ING | International Network Of Golf's |
| ISGA | Idaho Senior Golf Association |
| ISGA | Independent Schools Golf Association |