| Acronym | Definition |
|---|
| LRIS➣Lawyer Referral Information Service (various locations) |
| LRIS➣Low Resolution Imaging Spectrograph (Keck Observatory) |
| LRIS➣Land Records Information System (U.S. Department of the Interior; Indian land trust) |
| LRIS➣Labor Relations Information System |
| LRIS➣Land Registration and Information Services (Canada) |