Byangum is a town located in north-eastern New South Wales, Australia, in the Tweed Shire. It is a suburb of Murwillumbah and it sits south west.
The Ngandowal and Minyungbal speaking people of the Bundjalung people are the traditional owners of Byangum and the surrounding area. The following clans Goodjinburra, Tul-gi-gin and Moorung-Moobah are recognised as being of particular significance.
The name Byangum is taken from the Bundjalung language and there a number of theories as to where it originated with some believing it is a corruption of the word bean-gum, meaning 'farther place' and others that it is taken from buyaugun which is 'a land curlew'. Other possible meanings including 'snail' and/or 'edible snail'.
In the , Byangum recorded a population of 335 people, 46.6% female and 53.4% male.
The median age of the Byangum population was 50 years, 13 years above the national median of 37.
75.8% of people living in Byangum were born in Australia. The other top responses for country of birth were New Zealand 4.5%, England 3.6%, Germany 1.8%, Philippines 1.2%, Indonesia 1.2%.