Lyne () is a small village and civil parish in the Scottish Borders area of Scotland, west of the market town of Peebles; it lies off the A72, in the old county of Peeblesshire and has an area of about .
The Lyne Water flows through the village on its journey from the Pentland Hills to the River Tweed.
Lyne railway station was, along with Stobo railway station, one of the nine intermediate stations of the Symington, Biggar and Broughton Railway branch line. See also: Lyne Viaduct.
Dawyck Botanic Garden and Dawyck House are nearby.
By an Act of the Scottish Parliament of 1621, the Parish of Lyne was joined to that Megget, some to the south without any proper connecting road. This union was dissolved after 270 years in 1891.