San Miguel das Negradas (O Vicedo) is one of the parishes of the municipality of O Vicedo in Galicia.
San Miguel das Negradas is on the north-west coast of the province of Lugo, on the border with the municipality of Mañón in the province of A Coruña. The parish includes the island of San Martiño.
In 1991 it had a population of 339 inhabitants distributed in the lugares of:
Coordinates: 43°42′48″N 7°40′42″W / 43.71333°N 7.67833°W