Newtown-in-St Martin

{{Short description|Hamlet in Cornwall, England}}

{{Use dmy dates|date=October 2019}}

File:The Prince Of Wales - geograph.org.uk - 369285.jpg

Newtown-in-St Martin is a hamlet in the parish of St Martin-in-Meneage, Cornwall, England.{{cite map| title=Ordnance Survey: Landranger map sheet 204 Truro & Falmouth| ISBN=978-0-319-23290-3| date =2009| publisher=Ordnance Survey}} Newtown is south-southeast of St Martin's Green.Ordnance Survey One-inch Map of Great Britain; Truro and Falmouth, sheet 190. 1961