Tresmeer (sometimes spelled Tresmere) (Cornish: Trewasmeur) is a hamlet and a civil parish in northeast Cornwall, England, United Kingdom.

The hamlet is situated approximately seven miles (11 km) northwest of Launceston.

The parish church of St Nicholas is in the churchtown at OS Grid Ref SX233874.

He observed it in the 1890s placed at the head of the grave of a late vicar of Tresmeer.

This article about a location in the former district of Caradon, Cornwall is a stub.