Hermigua is a town and a municipality in the northeastern part of La Gomera in the province of Santa Cruz de Tenerife of the Canary Islands, Spain. It is located 12 km northwest of the island's capital, San Sebastián de la Gomera. The Garajonay National Park covers the southern part of the municipality.

There are cedar forests in the area known as El Cedro. The valley was first inhabited by the Guanches and was known as Mulagua. The municipality of Hermigua was founded in the 16th century as the settlement of Valle Bajo.

Sites of interest include:

• Valle Alto, the first settlement in Hermigua: its neighbourhood "El Convento" features a Dominican church and monastery built 1611; another landmark is the Escuela popular
• El Chorro waterfall
• Los Telares Museum: contains handicrafts from the surrounding area
• "Roques Pedro y Petra"
• "El Curato"
• "El Pescante" (The Old Davit)
• "El Caserío del Cedro": a hamlet by the National Park in a small isolated valley
• "Playa de La Caleta" (La Caleta Beach)
• "Ermita de San Juan"
• Mahona Natural Reserve