Kofoidinium is a genus of dinoflagellates belonging to the family Kofoidiniaceae.

[1] It only contains one known species, The genus was first described by Pavillard in 1929.

[1] The genus name of Kofoidinium is in honour of Charles Atwood Kofoid (1865-1947), who was an American zoologist.

[2] According to GBIF;[3]