Cabo de Hornos (Cape Horn) is a Chilean commune located in the south of Tierra del Fuego archipelago, in Antártica Province, Magallanes Region.

The municipality of Cabo de Hornos, located in the town of Puerto Williams, also administers the Antártica commune.

According to the 2002 census of the National Statistics Institute, Cabo de Hornos spans an area of 15,853.7 km2 (6,121 sq mi) and has 2,262 inhabitants (1,403 men and 859 women).

[4] As a commune, Cabo de Hornos is a third-level administrative division of Chile administered by a municipal council, headed by an alcalde who is directly elected every four years.

The communal council has the following members: Daniel Fernando Valdebenito Contreras (PS) Ángela Barría Barrientos (RN) Juan Velásquez (PS) Carolina Guenel González (DC) Francis Delgado Ibaceta (RN) Paola Speake Ojeda (DC)[1][2] Within the electoral divisions of Chile, Cabo de Hornos is represented in the Chamber of Deputies by Juan Morano (PDC) and Gabriel Boric (Ind.)