| 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 |