Malleco Province is one of two provinces in the southern Chilean region of La Araucanía (IX). Its population as of the 2012 census, is 196,190, and it covers an area of . The provincial capital is the city of Angol. Malleco Province is known for having the emblematic Malleco Viaduct and the Las Raíces Tunnel, Chile's longest tunnel that links the eastern part of Malleco province to the rest of the province.