William Brereton, 1st Baron Brereton was an English politician who sat in the House of Commons at various times between 1597 and 1622. He was created a peer in the Peerage of Ireland in 1624 as Baron Brereton.
- Occupation
- politician
- Position held
- Member of Parliament in the Parliament of England, Member of the 1597-98 Parliament, Member of the 1614 Parliament, Member of the 1621-22 Parliament
- Citizenship
- Kingdom of England
- Born
- 1550, February 6, 1550