Nymboida is a rural village in the Northern Rivers region of New South Wales, Australia. It is about 21 kilometres south-west of Coutts Crossing, 44 kilometres south-west of Grafton and approximately 687 km north of Sydney. Nymboida is close to the challenging and popular white water rafting waters of the Nymboida River along the Armidale–Grafton Road. The village is in the Clarence Valley Council local government area.
In the 2006 census there were 427 persons usually resident in the Nymboida area: 52.9% were males and 47.1% were females. Of these residents 2.6% were Indigenous persons.
Nymboida was established as a service stop for Cobb and Co stagecoaches, bullock teams, timber cutters, graziers and other pioneers who stopped here on the wool road from Armidale to Grafton. Nymboida now has an inn, general store, police station and a primary school that has 10 pupils enrolled. Agriculture and tourism are the main sources of income in the region.