C2C is a three-letter abbreviation that can refer to:*c2c, a British train operating companyWeb cam chat, from the instant messaging shorthand "cam-to-cam", usually spelt in lower case "c2c"Coast to Coast AM, a syndicated AM talk radio showConsumer-to-consumer electronic commerceSea to Sea Cycle Route, the most popular of British long-distance cycle routesC2C (cable system), a submarine telecommunications cable system linking east Asia and the USACadet Second Class, the rank of a cadet in his th… (More on C2c)