Marholm is a village and civil parish located in the Peterborough district within the ceremonial county of Cambridgeshire, England. It is situated west of the city of Peterborough and lies approximately one mile from Milton Hall, which serves as the seat of the Fitzwilliam family.
The parish encompasses an area of roughly 1,400 acres, with the village itself positioned near the center of this landmass. For electoral purposes, Marholm is part of the Northborough ward in the North West Cambridgeshire constituency.