| Abbreviation | Definition |
|---|---|
| HPFA | Himachal Pradesh Football Association |
| HRFC | Hampton Rovers Football Club |
| HSFN | High School Football Network |
| HTFA | Hamilton Touch Football Association |
| HTFC | Hoddesdon Town Football Club |
| HUF | Heads Up Football |
| HUFC | Hartlepool United Football Club |
| HUFC | Hartpool United Football Club |
| HUFC | Heidelberg United Football Club |
| HWFC | Heidelberg West Football Club |
| IA | Injured Active |
| IAFA | Irish American Football Association |
| IAFL | Irish American Football League |
| IBFA | International Bubble Football Association |
| IBFA | Irving Boys Football Association |
| IBFC | Illini-Badger Football Conference |
| IBFF | Indian Blind Football Federation |
| IBFL | Inter-Bank Football League |
| ICEF | International Center of European Football |
| ICFL | Idaho Contact Football League |