The Isla Magdalena national park (Spanish: Parque Nacional Isla Magdalena ) is a protected area in Magdalena Island, Patagonia, Chile. It was created in 1967 as Forest Reserve and was reclassified as a National Park in 1983.
Puerto Gaviota in the south of the national park is considered particularly noteworthy. In addition to larger Atilio island in the north, there are a number of smaller islands in the national park.
The national park is characterized by a variety of sea-birds (including penguins and cormorants) and vegetation typical of the moderate-cold zone. The Isla Magdalena climate has an annual average temperature of and an annual precipitation of approximately per year.