| Acronym | Definition |
|---|
| SINS➣Sorry I'm Not Sorry (Johnny Bliss song) |
| SINS➣Ship’s Inertial Navigation System (US DoD) |
| SINS➣Small Ionized and Neutral Structures in the Diffuse Interstellar Medium (astronomy) |
| SINS➣Strapdown Inertial Navigation System |
| SINS➣Surgically Induced Necrotising Scleritis (ocular medicine) |
| SINS➣Single Income No Sex |
| SINS➣Stellar Inertial Navigation System |