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 the U.S. state of New Hampshire. It is a member of the National Federation of State High School Associations.