An RSMC (Regional Specialized Meteorological Center) is a component of the World Weather Watch.

RSMC may also refer to:

Reactor Sites Management Company, a company acquired by American waste-management company EnergySolutions Road Safety Marshal Club (RSMC), a Malaysian safety group whose president is Captain Bala Ravi Shankar Music Circle, a music label used by sitar player Manilal Nag Rural and Suburban Mail Carriers, part of the workforce represented by the Canadian Union of Postal Workers

See also RMSC (disambiguation)