Echinoptilidae is a family of sea pens, a member of the subclass Octocorallia in the phylum Cnidaria.

Colonies are cylindrical without axis, and the rachis is generally longer than the peduncle.

Autozooids have non-retractile, bifurcated calyces with many sclerites.

[1] Indo-West Pacific to south western Africa in shallow sublittoral to over 800m depth.

[1] The World Register of Marine Species list the following genera:[2]