SGIS
| Acronym | Definition |
|---|---|
| SGIS | Swiss Group of International Schools |
| SGIS | Saint Gabriel International School (Manila, Philippines) |
| SGIS | SkillStorm Government Integrated Solutions |
| SGIS | Side Gliding in Standing (therapy) |
| SGIS | Stabilized Glideslope Indicating System |
| SGIS | Steam Generator Isolation Signal (US NRC) |
| SGIS | Sad Girl in Snow (anime) |