Maidstone Museum is a local authority-run museum located in Maidstone, Kent, England, featuring internationally important collections including fine art, natural history, and human history. The museum is one of three operated by Maidstone Borough Council. The building is Grade II* listed.

Maidstone is the largest town in Kent, England, of which it is the county town. Maidstone is historically important and lies 32 miles (51 km) east-south-east of London. The River Medway runs through the centre of the town, linking it with Rochester and the Thames Estuary. Historically, the river carried much of the town's trade as the centre of the agricultural county of Kent, which is known as the Garden of England. There is evidence of settlement in the area dating back before the Stone Age. The town, part of the borough of Maidstone, had an approximate population of 100,000 in 2019. Since World War II, the town's economy has shifted from heavy industry towards light industry and services.