7C may refer to:
- 7C
- Jeju Air, a Korean airline with IATA code 7C
- Seventh Cambridge Survey, an astronomical radio source survey
- Percent-encoded pipe character (|), as represented in hexadecimal
- Transfăgărășan, a Romanian highway
- Terror of the Vervoids and The Ultimate Foe, Doctor Who serials with production code 7C
