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Introduced16 August 1995
TLD typeCountry code top-level domain
RegistryTelecom Italia San Marino
SponsorTelecom Italia San Marino
Intended useEntities connected with  San Marino
Actual useSome use in San Marino
Registration restrictionsCompanies limited to 50 domain registrations per year; individuals and other organizations to one registration in total
StructureNames can be registered directly at second level
DocumentsNaming rules
Dispute policiesNone
Registry websiteTelecom Italia San Marino

.sm is the Internet country code top-level domain (ccTLD) for San Marino.

Domain hacks could be words with the -ism suffix.