Sir John Rous, 1st Baronet was an English politician who sat in the House of Commons from 1660 to 1670.
Rous was the son of Sir John Rous of Henham Hall and his wife Elizabeth Yelverton, daughter of Sir Christopher Yelverton, Lord Chief Justice.
He was created baronet of Henham on 17 August 1660. In 1661 he was re-elected Member of Parliament for Dunwich in the Cavalier Parliament and sat until his death in 1670. Rous married firstly Anne Bacon, daughter of Nicholas Bacon of Gillingham.
He died on 27 November 1670 and was buried at Wangford.
In 1660, Rous was elected Member of Parliament for Dunwich in the Convention Parliament.