| Acronym | Definition |
|---|
| TDOS➣Tape and Disk Operating System |
| TDOS➣Tennessee Department of Safety |
| TDOS➣Totnes & Dartington Open Studios (est. 2000; UK) |
| TDOS➣The Day of Sagittarius (video game) |
| TDOS➣Tape/Disk Operating System |
| TDOS➣Total Density of State (physics) |
| TDOS➣Targeted Denial of Service |