| Acronym | Definition |
|---|
| SOLIS➣Synoptic Optical Long-Term Investigations of the Sun |
| SOLIS➣Sydney Outdoor Lighting Improvement Society (est. 1998; Syndey, New South Wales, Australia) |
| SOLIS➣Southern Oregon Library Information System |
| SOLIS➣SC4 On-Line Information Service |
| SOLIS➣SIGINT On-Line Information System |
| SOLIS➣Sexual Orientation and Legal Issues Society (University of Illinois) |