Cromwell is a civil parish in the Newark and Sherwood district of Nottinghamshire, England. The parish contains four listed buildings that are recorded in the National Heritage List for England. Of these, one is listed at Grade I, the highest of the three grades, and the others are at Grade II, the lowest grade. The parish contains the village of Cromwell and the surrounding area. All the listed buildings are in the village, and consist of a church, a headstone in the churchyard, the former rectory and a pigeoncote.