Mithren was a inhabited planet in the Delta Quadrant, located near Bothan territory.

Neelix had some contacts on Mithren, who informed him in 2372 that they had lost a number of vessels to the Botha. (VOY: "Persistence of Vision") The starship USS Voyager would remain in contact with Mithren for some time, up until a month prior to stardate 49485. (VOY: "Investigations")