Harby is an English village and a former civil parish, now in the parish of Clawson, Hose and Harby, in the Melton district, in the county of Leicestershire. It lies in the Vale of Belvoir, 9.4 miles (15.1 km) north of Melton Mowbray and 13.9 miles (22.4 km) west-south-west of Grantham.

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Although in Leicestershire, the county town of Leicester is further – 21.4 miles (34.4 km) – than Nottingham – 15.7 miles (25.3 km). The village lies on the south side of the Grantham Canal. Belvoir Castle, 6 miles (9.7 km) to the north-east, is conspicuous on the horizon.