Deviock is a coastal civil parish in south-east Cornwall, England, United Kingdom.
It is situated approximately three miles (5 km) west of St Germans and straddles the valley of the River Seaton.
[2] The parish occupies an area of 2,108 hectares (approx 5,000 acres)[citation needed].
[3] The parish history of the St Germans area is complex and has been subject to much change[according to whom?].
From 2013 to the 2021 local elections, Deviock was covered by the Trelawny division.