Soto del Barco (Asturian: Sotu'l Barcu) is a small, coastal municipality in the Autonomous Community of the Principality of Asturias, Spain.

As of 2023, the municipality is home to 3,818 people who reside in five parishes: Soto del Barco, L'Arena, Ranón, Riberas, and La Corrada.

[1] After the Roman occupation of Iberia, a fort, which had been constructed in the area in order to defend the mouth of the Nalón, was either restored or reconstructed by Alfonso III; this fort is still standing and is known as the Castillo de San Martín.

Until 1836, Soto del Barco fell under the municipality of Pravia; it became independent on 29 December.

This article about a location in the Principality of Asturias, Spain, is a stub.