RIH
| Acronym | Definition |
|---|---|
| RIH | Rot in Hell |
| RIH | Roast in Hell |
| RIH | Rhode Island Hospital (Providence, Rhode Island) |
| RIH | Ramapo Indian Hills (New Jersey high school) |
| RIH | Run In Hole |
| RIH | Robert Is Here, Inc. (produce business; Florida) |
| RIH | Right Inguinal Hernia |
| RIH | Rhode Island Housing |
| RIH | Rest in Heaven |
| RIH | Rest in Hell |
| RIH | Registered Industrial Hygienist (Association of Professional Industrial Hygienists) |
| RIH | Remote Island Head |
| RIH | Rock in Halifax |