Lavendon is a village and civil parish in the unitary authority area of the City of Milton Keynes, Buckinghamshire, England.

Nearby places are Warrington, and Cold Brayfield in the Milton Keynes UA, and Harrold and Carlton over the border in Bedfordshire.

The village name is derived from a personal name and a place-name element from the Old English language (Lafan + denu), and means 'Lafa's valley'.

The company Tusting has a small factory on Olney Road producing a wide range of luxury leather goods which are exported worldwide.

The Lavendon Narrow Gauge Railway is situated in the village and it open to the public a few Sundays a year.