Sir Philip Knightley (c. 1567 – 1605) was an English politician who sat in the House of Commons from 1604 to 1605.
Knightley was the son of Bartholomew Knightley of South Littleton and his wife Anne Tolley, daughter of Philip Tolley.
In October 1602 he was appointed a Teller of the Exchequer, which office he held until his death.
He was granted the Receivership of the First Fruits and Tenths of the Clergy for life on 7 Feb. 1604.
The hereditary rank of Alderman of Evesham was granted to him by express provision by the new charter of 3 April 1605.