Cystidicola is a genus of parasitic nematodes, belonging to the family Cystidicolidae.

Species of Cystidicola are parasitic in the swimbladder of fish.

[1][2] According to the World Register of Marine Species,[1] the genus currently (2018) includes only the following species: The eggs of Cystidicola farionis are covered with numerous filaments.

[3][4] Other species have been included in the genus but are now considered to be part of other genera: