C70

C70 may refer to:
 * Berkshire Concept 70 sailplane
 * C70 fullerene, carbon-70, a common fullerene, a carbon molecule
 * Georges Leygues class frigates, a type of anti-submarine frigates of the French Navy.
 * Honda Super Cub C70 motorcycle
 * Volvo C70, a car
 * Ruy Lopez chess openings ECO code
 * Malignant neoplasm of meninges ICD-10 code
 * Caldwell 70 (NGC 300), a spiral galaxy in the constellation Sculptor