Åsnen is a large lake in southern Småland, Sweden, roughly 150 km2 in size. The river Mörrumsån flows south from Åsnen into the Baltic Sea. The lake lies south of Alvesta and Växjö and northwest of Tingsryd and is the third-largest lake in Småland.
Approximately 19 km2 of the lake\\\'s area is occupied by small islands. Åsnen has many small bays and islands, the largest of which is Sirkön.
Åsnen is well known for its richness in native fish, and is a popular attraction for anglers. The most common types of fish are pikeperch, pickerel, perch, and eels.
