Thomas St Aubyn (c. 1578 – 1637) was an English politician.
He was the son of Thomas St Aubyn of Clowance in Cornwall and studied at Queen's College, Oxford and the Middle Temple.
[1] He was elected the MP for St Ives in the Parliament of 1601 alongside Thomas Barton and MP for Grampound in the Addled Parliament (1614).
[1] He married Katherine, the daughter of John Bonython of Carclew with whom he had two sons and a daughter.
This article about a 17th-century member of the parliament of England (up to 1707) is a stub.