Murwillumbah is a town located in far north-eastern New South Wales, Australia in the Tweed Shire. It lies on the Tweed River, 848 km north-east of Sydney, 13 km south of the Queensland border and 132 km south of Brisbane. At the 2011 census, Murwillumbah had a population of 8,523 people. The town's name is often abbreviated to M'bah or Murbah.
Murwillumbah sits on the south eastern foothills of the McPherson Range in the Tweed Volcano valley. The area is hilly. Many of the buildings are Art Deco in style and there are cafes, clothes and antique shops in the town. Murwillumbah was nominated one of the top ten sea/tree change towns in Australia. Murwillumbah is the eighth town mentioned in the original Australia version of the song "I've Been Everywhere".
The area is used for filming of the British reality series, I'm A Celebrity... Get Me Out of Here!, and has been since 2002. Versions of the show for other countries are also produced in the area. Murwillumbah was also used as the location for the film Lou (2010) starring John Hurt.