SC-9, or variants, may refer to:
(181711) 1993 SC9 (SC9 of 1993), an asteroid SC09, a FIPS 10-4 region code SC-09, a subdivision code for the Seychelles, see ISO 3166-2:SC Shorts S.C.9, a variation of the English Electric Canberra bomber South Carolina Highway 9 South Carolina's 9th congressional district Southern Cross Nine, an Australian television network Spooks: Code 9, a British television series