C79 or C-79 may refer to:
*
Junkers C-79, the US military designation of the Ju 52 transport aircraft
* ''
Corydoras loxozonus'', a freshwater catfish
*
C79 optical sight
The C79 optical sight (SpecterOS3.4x) is a telescopic sight manufactured by Elcan. A variant, the M145 Machine Gun Optic is in use by the US military. It is 3.4×28, meaning 3.4x magnification, and a 28mm diameter objective lens. A tritium il ...
, a small arms telescopic sight
*
Ruy Lopez
The Ruy Lopez (; ), also called the Spanish Opening or Spanish Game, is a chess opening characterised by the moves:
:1. e4 e5
:2. Nf3 Nc6
:3. Bb5
The Ruy Lopez remains one of the most popular chess openings, featuring many variations. In ...
chess openings ECO code
* Secondary malignant neoplasm of other sites ICD-10 code
*
Night Work of Young Persons (Non-Industrial Occupations) Convention, 1946 code
*
Sun/C79, a 1974 song by Cat Stevens
*
Caldwell 79, a globular cluster in the constellation Vela
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