Woytchugga Lacuna is one of the largest lakes of Titan.

It is located at 68°53′ N and 109°00′ W on Titan's surface and at 449 km in length it is the longest Titanean lake and third longest body of a number of "hydro-carbon lakes" found on Saturn's largest moon". The lake is composed of liquid ethane and methane, and was detected by the Cassini-Huygens space probe.Indications are that it is an intermittent lake and so was named in 2013 after Lake Woytchugga near Wilcannia, Australia.