Fearby has been since 1974 a village and civil parish in the Harrogate district of North Yorkshire, England. It is located south-west of Bedale and west of Masham. Nearby settlements include Healey, Ellington and Swinton (near Masham).
The village is first mentioned, as Federbi, in the Domesday Book which records a population of eight villagers and one smallholder. The toponym is of uncertain derivation. The element -by is of Old Norse origin, meaning "village", and the name could mean either "four villages" or "feather village".
Fearby was historically a township in the large ancient parish of Masham in the North Riding of Yorkshire. It became part of the new ecclesiastical parish of Healey in 1849. The civil parish of Fearby was formed in 1866. In 1894 it became part of Masham Urban District, and in 1934 was transferred to Masham Rural District.
Fearby is also an English surname with origins in York. Famous Fearbys include Richard Lambert Fearby.