LDOS
| Acronym | Definition |
|---|---|
| LDOS | Last Day of School |
| LDOS | Last Day of Support (software support) |
| LDOS | Last Date of Support (Cisco) |
| LDOS | Last Day of Service |
| LDOS | Louisville Deaf Oral School (Louisville, KY) |
| LDOS | Lord's Day Observance Society (est. 1831) |
| LDOS | Local Density of State |
| LDOS | Last Day of Shift |
| LDOS | Logical Disk Operating System |