Petersfield was an English Parliamentary constituency centred on the town of Petersfield in Hampshire. It existed for several hundred years until its abolition for the 1983 general election.

Petersfield is a market town and civil parish in the East Hampshire district of Hampshire, England. It is 15 miles (24 km) north of Portsmouth. The town has its own railway station on the Portsmouth Direct line, the mainline rail link connecting Portsmouth and London. Situated below the northern slopes of the South Downs, Petersfield lies wholly within the South Downs National Park.