The Intruder is a British drama series made by Granada Television for the ITV network and was broadcast on Sundays from 2 January to 20 February 1972. There were eight episodes made, all of them running 25 minutes.

The series was based on the children's book of this same name by John Rowe Townsend, published in 1970. The novel was well received, and won numerous awards, it was adapted for television in 1971, before being shown on television the following year. The series was shot on location, predominantly in the Cumbrian village of Ravenglass with some scenes filmed in Manchester and Anglesey.