SOLIS
| 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) |