Lysøysundet is a village in the municipality of Ørland in Trøndelag county, Norway. The village is located in the northern part of the municipality near the island of Lauvøya and the end of the Åfjorden. It is about 5 kilometres (3.1 mi) northeast of the village of Jøssund. The village lies on the mainland and on the nearby island of Lysøya which is connected by a bridge.

The 0.4-square-kilometre (99-acre) village has a population (2018) of 279 and a population density of 698 inhabitants per square kilometre (1,810/sq mi). The village is divided into several areas: Lysøya, Rømmen, Hellesvika, Tiltrem, Olden, Teksdal, and Sundet. Lysøysundet has an elementary school, kindergarten, and a nursing home.