Dendrocoelum is a genus of freshwater triclad.

Over one hundred species have been described.

[1] The genus Dendrocoelum is characterized by the presence of a well-developed musculo-glandular organ known as an adenodactyl, which is also present in other genera of Dendrocoelidae.

In Dendrocoelum, the adenodactyl is cone-shaped and has a distinct bulb, as well as a papilla, and its lumen receives the secretions of several glands.

[2] The following species belong to the genus Dendrocoelum: