Molonglo can refer to:
Molonglo – a suburb in Canberra Molonglo Internment Camp and Molonglo Settlement - a WWI internment camp which then became a temporary suburb, located in what is now Fyshwick, Australian Capital Territory Molonglo River Molonglo Plains Molonglo electorate Molonglo Valley – District of Canberra Molonglo Observatory Synthesis Telescope