Harby is a civil parish in the Newark and Sherwood district of Nottinghamshire, England. The parish contains three listed buildings that are recorded in the National Heritage List for England. All the listed buildings are designated at Grade II, the lowest of the three grades, which is applied to "buildings of national importance and special interest".[1] The parish contains the village of Harby and the surrounding area. All the listed buildings are in the village, and they consist of a church, a war memorial in the churchyard, and a windmill converted for residential use.