Diderik Kornelius Mortensen Bøgvad (4 March 1792 – 31 December 1857) was a Norwegian politician.
He was elected to the Norwegian Parliament in 1842, representing the rural constituency of Lister og Mandals Amt (today named Vest-Agder).
He sat through only one term.Residing at Øye in Kvinesdal, he had been a shipmaster.