Other
- SOM Foundation
- Saskatchewan Order of Merit, a Canadian provincial award
- Secret of Mana, a role-playing game for the Super Nintendo Entertainment System
- Share of Market, a business calculation to identify a share of a specific market that is served by the business or product
- Skidmore, Owings and Merrill, an architectural firm
- SOM Tower, part of the San Francisco Transbay development designed by the above firm
- Soundman (rank), a former rank of the U.S. Navy
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