New Hampshire Interscholastic Athletic Association
| Abbreviation | NHIAA |
|---|---|
| Formation | 1947 |
| Type | Volunteer; NPO |
| Legal status | Association |
| Purpose | Athletic/Educational |
| Headquarters | 251 Clinton St. Concord, NH 03301 |
Region served | New Hampshire |
Official language | English |
Executive Director | Jeffrey Collins |
| Affiliations | National Federation of State High School Associations |
| Website | nhiaa |
The New Hampshire Interscholastic Athletic Association (NHIAA) is the governing body for sports competitions among all public and some private high schools in New Hampshire. It is a member of the National Federation of State High School Associations.