| Acronym | Definition |
|---|
| SPAM | [not an acronym] written spam -- slang name for Unsolicited Commercial Email (UCE; junk/bulk email) |
| SPAM | Spiced Ham (Hormel canned pork developed in 1937) |
| SPAM | Scanning Photo-Acoustic Microscopy |
| SPAM | Schools of the Pacific Atmospheric Monitoring |
| SPAM | Search Pattern Assessment Model |
| SPAM | Service Provisioning and Account Management |
| SPAM | SGML Parser Add Markup |
| SPAM | Shelter, Portable, Air Mobile |
| SPAM | Shelter, Protective, Aircraft Maintenance |
| SPAM | Shoulder of Pork & Ham (Hormel canned pork developed in 1937) |
| SPAM | Slant Path Attenuation Model (antennas) |
| SPAM | Society for Palmtop Advancement through Meetings (San Francisco, CA) |
| SPAM | Society for the Preservation of Amplitude Modulation |
| SPAM | Society for the Publication of American Music |
| SPAM | Society of Properties Artisan Managers |
| SPAM | Some Place Around Montana / Missouri / Massachusetts / Mississippi / Maine :-) |
| SPAM | Space Planning and Management (University of Missouri - Columbia) |
| SPAM | Spectral Processing and Manipulation (Ocean Optics) |
| SPAM | State Police Association of Massachusetts |
| SPAM | Stop Pornography and Abusive Marketing Act |
| SPAM | Strike Package and Associated Messages (tactical Tomahawk weapon control system) |
| SPAM | Student Peer Abstinence Movement (Montana) |
| SPAM | Survey Processing and Management |
| SPAM | Systems Personnel Activity Meeting (Yale) |
| SPAM | Superfluous Pieces of Additional Mail |