SIMO
| Acronym | Definition |
|---|---|
| SIMO | Single in Multiple Out |
| SIMO | Single Input, Multiple Output |
| SIMO | Subscriber Identity Module Only (phone contract) |
| SIMO | Sapelo Island Microbial Observatory (Athens, Georgia) |
| SIMO | Stradbroke Island Management Organisation (environmental group; North Strabroke Island, Australia) |
| SIMO | Sociedade Imobiliária de Cinemas (Portugal) |
| SIMO | Systems Integration and Management Office (US Army) |
| SIMO | Special Items Management Office |
| SIMO | Societe du Papier du Moyen Orient |