5C

5C or 5c may refer to:


 * 5C Situation analysis: Company, Competitors, Customers, Collaborators, Climate
 * 5-C (Five County), an Idaho juvenile detention center for high-risk individuals
 * CAL Cargo Air Lines IATA code
 * Chromosome Conformation Capture Carbon Copy, or 5C, an extension of the Chromosome conformation capture (3C) method used in genomics
 * Fifth Cambridge Survey of Radio Sources
 * Five Cs of Singapore, a cultural term relating to materialism
 * Five-cent coin
 * The consortium of the five Claremont Colleges
 * Five Company (5C) Digital Transmission Content Protection
 * The iPhone 5C, a smartphone designed and marketed by Apple Inc.
 * The Honor 5C
 * 5C, the production code for the 1978 Doctor Who serial The Stones of Blood