Dendronotidae is a family of nudibranchs, shell-less marine gastropod molluscs or sea slugs, in the superfamily Dendronotoidea.
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 head has an oral veil having branching extensions. The lamellate rhinophores are surrounded by a sheath and branched extensions.
The following genera are recognised in the family Dendronotidae: