| Acronym | Definition |
|---|
| MDSO➣Mentally Disordered Sex Offender |
| MDSO➣Millikin-Decatur Symphony Orchestra (Illinois) |
| MDSO➣Maryland Special Olympics |
| MDSO➣Million Dollar Shoot Out (World Golf League) |
| MDSO➣Medical Device Standards Order (Australia) |
| MDSO➣Multi-Domain Sign-On |