'''Varėnė ''' is a river of Alytus district municipality and Varėna district municipality, Alytus County, southern Lithuania. It flows for 48 kilometres and has a basin area of 411 km².
The Varėnė River begins near Skaičionys village. There are a lot of water springs at its upper course. Varėnė crosses the Varėnis Lake near its mouth. It joins the Merkys River near Varėna city.
Varėnė suits well for water tourism.