NISH
| Acronym | Definition |
|---|---|
| NISH | National Industries for the Severely Handicapped |
| NISH | New Iberia Senior High (Southern Louisiana) |
| NISH | National Institute of Speech and Hearing (Trivandrum, India) |
| NISH | National Institute on Senior Housing |
| NISH | NEO (Noncombatant Evacuation Operation) Intelligence Support Handbook (US DoD) |
| NISH | Naval Investigative Service Headquarters |