|Range||Mahanara River basin north of Sambava in northeastern Madagascar.|
Ptychochromis loisellei is a species of cichlid in the family Cichlidae. It is endemic to Mahanara River basin north of Sambava in northeastern Madagascar. It remains common within its small range, but it is threatened by habitat loss and introduced species. It reaches about 11.9 centimetres (4.7 in). The similar named Paretroplus loisellei is also restricted to the Mahanara River basin.