Carlby is a small village/parish in the district of South Kesteven in Lincolnshire, England.
It is located four miles south of Bourne on the A6121 near the Lincolnshire/Rutland boundary, which is partly the River West Glen.
The ecclesiastical parish is Ryhall with Essendine and Carlby, part of the Rutland Deanery of the Diocese of Peterborough. The incumbent is The Revd Patrick McKee.
The parish church is dedicated to St. Stephen. The current building dates from 1134.
The village has a playing field and a children's recreational area. In 1986 the villagers replaced the wooden village hall with a brick structure.
Media related to Carlby at Wikimedia Commons
Coordinates: 52°42′47″N 0°26′46″W / 52.713°N 0.446°W