Instow is a village in north Devon, England. It is on the estuary where the rivers Taw and Torridge meet, between the villages of Westleigh and Yelland and on the opposite bank of Appledore. There is an electoral ward with the same name. Its total population at the 2011 census was 1,501.
There is a small river beach and sand dunes, that home some rare species of orchid including the pyramid orchid.
The Tarka Trail passes through Instow, providing an easy means for people to arrive by foot or on bike. This section of the Trail is also part of the South West Coast Path, offering longer walks along the coast.