Gammersgill is a hamlet in Coverdale in the Yorkshire Dales, North Yorkshire, England. It is about south-west of Leyburn.
The toponym is of Old Norse origin, from Gamall, a personal name, and skali 'hut', so means 'hut of a man named Gamel'.
From 1974 to 2023 it was part of the district of Richmondshire, it is now administered by the unitary North Yorkshire Council.