Acicula fusca is a species of land snail in the family Aciculidae.
[1] It is native to Europe, where it occurs in Britain, Ireland, France south to the Basses Pyrénées, Spain, Belgium, and north-west Germany.
The shell is about 2 to 3 millimeters wide, with 6 whorls and shallow sutures.
The surface is smooth, glossy, reddish to yellowish-brown.
This species lives in wet moss and leaf litter in woodlands on calcareous soils.