Bathycrinus australis is a species of sea lily, a crinoid in the family Bathycrinidae.

It is native to deep water in the Antarctic Ocean.

[1] It was initially identified as Bathycrinus aldrichianus by Philip Herbert Carpenter following the 1872-1876 HMS Challenger expedition.

[2] It was later distinguished as a new species by the American zoologist Austin Hobart Clark.

This article about a crinoid is a stub.