Apogon is a large genus of fish in the family Apogonidae, the cardinalfishes.

They are among the most common fish on coral reefs.

[2] Over 200 species have been classified in genus Apogon as members of several subgenera.

[2] Some of these subgenera, such as Ostorhinchus, have been elevated to genus status,[3] leaving just over 50 species in the genus.

[4] The 50 recognized species in this genus are:[4]