Lesnewth (Cornish: Lysnowyth)[2] is a civil parish and village in Cornwall, England, United Kingdom.

[3] The parish is bounded on the north by St Juliot (where the 2011 census population is included.

It is a small sparsely populated parish set in farmland with only a few houses, farms and a church.

Lesnewth lies within the Cornwall Area of Outstanding Natural Beauty (AONB).

The oldest buildings of Lesnewth include the Church, the Rectory, the Mill and Penpol, the latter of which is believed to be the original farmhouse to the surrounding north facing valley side.