Buckinghamshire is a ceremonial county in southeast England.

Buckinghamshire may also refer to:

• Buckinghamshire, a former County of Lower Canada divided in 93 townships in 1792
• Buckinghamshire (UK Parliament constituency), a former United Kingdom Parliamentary constituency, 1707–1885
• South Buckinghamshire (UK Parliament constituency), a former County constituency and a division of the Administrative County of Buckinghamshire, 1950–1974

• Buckinghamshire Council, the unitary authority responsible for the centre and south of the English county.
• City of Milton Keynes, the unitary authority responsible for the north of that county.

This disambiguation page lists articles associated with the title Buckinghamshire.
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