Panamius is a genus of cichlid fish from moderately flowing rivers and streams in Panama.

[1] The only species within Panamius is Panamius panamensis.

Panamius had been previously considered a subgenus within the genus Cryptoheros.

[2] Prior to being classified within Cryptoheros it was sometimes included within the genus Neetroplus.

[2] P. panamensis reaches up to 13 cm (5.1 in) in length and primarily feeds on aufwuchs.