Kil (sometimes called Sannidal) is a village in Kragerø Municipality in Telemark county, Norway. The village is located along the European route E18 highway, at the innermost part of the Kilsfjorden. The village lies about 5 km west of the villages of Vadfoss and Helle and about 10 km to the northwest of the town of Kragerø. Sannidal Church is located just west of the village. The 0.87 km2 village has a population (2022) of 997 and a population density of 1140 PD/km2. Historically, the village of Kil was the administrative centre of the old municipality of Sannidal. Kil is an old port where timber and ice was loaded on boats and shipped elsewhere.