Byneset is a former municipality in Sør-Trøndelag county, Norway. The largest village in Byneset is Spongdal, other villages include Byneset and Langørjan. The municipality of Byneset encompassed the western part of present-day Trondheim municipality. It sits along an arm of the Trondheimsfjord, separated from the rest of the city by the Bymarka recreation area.