Other
- San Miguel Beer, a beer originally brewed in Spain.
- Michigan State University Spartan Marching Band, the marching band for Michigan State University
- Smallmouth bass, a fish
- The Society for Mathematical Biology, an international society for mathematical and theoretical biology
- Steve Miller Band, a 1970s rock band.
- Sveriges Medeltida Ballader, the 'official' collection of old Swedish ballads
- Surface marker buoy, a surface detection aid used by divers
- Survey motor boat, a small vessel used for hydrographic survey
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