Sir William Fleetwood was an English politician who sat in the House of Commons

House of Commons of England

The House of Commons of England was the lower house of the Parliament of England from its development in the 14th century to the union of England and Scotland in 1707, when it was replaced by the House of Commons of Great Britain...

  at various times between 1584 and 1628.

Fleetwood was the eldest son of William Fleetwood of Great Missenden Buckinghamshire and his wife Marian Barley, daughter of John Barley of Kingsey, Buckinghamshire. He was admitted at Middle Temple

Middle Temple

The Honourable Society of the Middle Temple, commonly known as Middle Temple, is one of the four Inns of Court exclusively entitled to call their members to the English Bar as barristers; the others being the Inner Temple, Gray's Inn and Lincoln's Inn...

 in 1584 and was readmitted at in 1592 after some dispute. In 1584, Fleetwood was elected Member of Parliament

Member of Parliament

A Member of Parliament is a representative of the voters to a :parliament. In many countries with bicameral parliaments, the term applies specifically to members of the lower house, as upper houses often have a different title, such as senate, and thus also have different titles for its members,...

 for Preston

Preston (UK Parliament constituency)

Preston is a borough constituency represented in the House of Commons of the Parliament of the United Kingdom. It elects one Member of Parliament by the first past the post system of election.-Boundaries:...

 where his father was recorder. In 1586 he was elected MP for Poole 

Fleetwood succeeded his father to considerable estates including the abbey of Great Missenden in 1594. He became J.P.

Justice of the Peace

A justice of the peace is a puisne judicial officer elected or appointed by means of a commission to keep the peace. Depending on the jurisdiction, they might dispense summary justice or merely deal with local administrative applications in common law jurisdictions...

 for Berkshire and Buckinghamshire by 1597. He was surveyor of lands in north parts, duchy of Lancaster in 1603 and was knighted in the same year. In 1604 he was elected MP for Buckinghamshire

Buckinghamshire (UK Parliament constituency)

Buckinghamshire is a former United Kingdom Parliamentary constituency. It was a constituency of the House of Commons of the Parliament of England then of the Parliament of Great Britain from 1707 to 1800 and of the Parliament of the United Kingdom from 1801 to 1885.Its most prominent member was...

 and was probably elected in 1614. He was elected MP for Buckinghamshire again in 1621 and was High Sheriff of Buckinghamshire

High Sheriff of Buckinghamshire

The High Sheriff of Buckinghamshire, in common with other counties, was originally the King's representative on taxation upholding the law in Saxon times...

from 1622 to 1623. He was re-elected MP for Buckinghamshire in 1624 and again in 1628, and sat until 1629 when King Charles decided to rule without parliament for eleven years.

Fleetwood died at the age of 66 at Great Missenden.

Fleetwood married Anne Barton daughter of Ralph Barton of Smithhills Lancashire and had seven sons and seven daughters. His wife died in 1621.