Sir John Corbet, 1st Baronet (c. 1589 – 19 January 1628) was MP for Norfolk between 1624 and 1625 and Yarmouth between 1625 and 1626.^[1]

He was the son of Sir Thomas Corbet of Sprowston, Norfolk, High Sheriff of Norfolk in 1612 and the elder brother of the regicide, Miles Corbet.^[2] He graduated as a B.A. at Cambridge University in 1612, was later captain of the Norfolk foot militia and a county magistrate for Norfolk.^[1]

His spent nearly a year imprisoned in Westminster gatehouse for refusing to support or pay the forced loan of 1628 in a case called Darnell's Case.^[2] He was released but died of smallpox shortly after and was buried at St Margaret's, Westminster.^[1]

He had married Anne Capel (died in about 1625), with whom he had two sons and three daughters.^[1] He was succeeded in turn by his sons John and Thomas. The baronetcy became extinct in 1661 on the death of Thomas.