SDIC may refer to the following:
San Domingo Improvement Company, an entity formed to assume control of Dominican Republic railroads in its colonial period; see In mathematics, Sensitive dependency on initial conditions, also called the butterfly effect Singapore Deposit Insurance Corporation, see Sodium dichloroisocyanurate South Dakota Intercollegiate Conference, a former athletic conference affiliated in the National Association of Intercollegiate Athletics (NAIA) Spatial Data Interest Community, or Spatial Data Infrastructure Community, a community with interests in spatial data as defined by INSPIRE State Development & Investment Corporation, a state-owned investment holding company in China