Tonbridge is a market town in the English county of Kent, with a population of 31,600 in 2001. It is located on the River Medway, approximately four miles north of Tunbridge Wells, 12 miles south west of Maidstone and 25 miles south east of London.

Tonbridge was a parliamentary constituency in Kent, centred on the town of Tonbridge. It returned one Member of Parliament to the House of Commons of the Parliament of the United Kingdom.