Liponema is a genus of sea anemones, in the family Liponematidae.

Members of this genus have a wide base and a short, smooth column.

The tentacles are short and very numerous, covering the whole oral disc.

The siphonoglyphs are well developed and the mesenteries are in perfect pairs.

The cnidocytes consist of spirocysts, basitrichs and microbasic p-mastigophors.