Dendronotidae is a family of sea slugs, nudibranchs, marine gastropod mollusks in the superfamily Dendronotoidea.

[2] This family is within the clade Cladobranchia (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

Animals within this family have elongated bodies with numerous branching cerata on their dorsal sides.

The cerata contain extensions from the digestive gland which vary in extent between species.

The lamellate rhinophores are surrounded by a sheath and branched extensions.