Dungarubba () is a locality in the Northern Rivers region of New South Wales, Australia. It sits within the City of Lismore local government area and is located south of Lismore and east of Coraki. In the it had a population of 52 people.
The traditional owners are the Widjabul and Wia-bal people of the Bundjalung Nation.
Dungarubba was once also known by the names Dingarubba and Unkaruba and these place names appear to be derived from the Bundjalung language word dehnga which is said to mean 'flat, swampy country' or a paperbark tree which grows in that sort of environment.