Cadwallader Owen (c. 1562 – 1617) was a Welsh Church of England clergyman, debater and writer.
He was educated at Jesus College, Oxford, matriculating on 24 November 1581.
He was a fellow of Oriel College, Oxford, from 1585 to no later than 1606, when he married Blanche Roberts.
In addition to his clerical duties, he had a reputation for debating, taking the name "Sic doces".
[1] His son was Richard Owen, who was a prominent clergyman before and after the Restoration, holding positions in Eltham, St Swithin in London Stone, and North Cray.