C-69

C-69 or C69 may refer to:

* The Lockheed Constellation, a four-engine propeller-driven airliner built by Lockheed between 1943 and 1958.
* "Corydoras maculifer", the dotted corydoras, a freshwater catfish.
* Ruy Lopez, Exchange Variation chess openings ECO code
* Ocular oncology ICD-10 code