| Acronym | Definition |
|---|
| ARST➣Azienda Regionale Sarda Trasporti (Italian: Regional Transport of Sardinia) |
| ARST➣Arrestor |
| ARST➣Salvage Craft Tender |
| ARST➣Argentina Summer Time (time zone) |
| ARST➣Association for the Rhetoric of Science and Technology |
| ARST➣Aerial Reconnaissance & Security Troop |
| ARST➣Aerial Reconnaissance Support Team |