CGCG may refer to:
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Catalogue of Galaxies and of Clusters of Galaxies
The Catalogue of Galaxies and of Clusters of Galaxies (or CGCG) was compiled by Fritz Zwicky in 1961–68. It contains 29,418 galaxies and 9,134 galaxy clusters.
Gallery
File:I Zwicky 18a.jpg, I Zwicky 18
File:Galaxy I Zwicky 32.jpeg, I Zwicky 3 ...
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Central giant-cell granuloma, a localised benign condition of the jaws
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