Gvarv is a village in Midt-Telemark Municipality in Telemark county, Norway. The village is located along the river Bøelva, just 1 kilometre from where the river empties into the large lake Norsjø. The village of Bø lies about 7 kilometres to the northwest, the village of Akkerhaugen lies about 5 kilometres to the east, and the village of Ulefoss lies about 15 kilometres to the southeast.