Lamerton is a village and civil parish located 3 miles north-west of the town of Tavistock, in the West Devon district, in the county of Devon, England. The village's school is called Lamerton Church of England Voluntary Controlled Primary School; affiliated with the Church of England, it enrols about 50 children aged 5–11. In 2021 it had a population of 887.

The parish of Lamerton contains various historic estates including:

• Collacombe, long a seat of the Tremayne family, whose large monument dated 1588 survives in St Peter's parish church.

• Philip Greening of Lamerton emigrated to Wisconsin, where he became a prosperous farmer, local official and state legislator