Sir David Robert Macgowan Chapman, 3rd Baronet (16 December 1941) is a British businessman and investment banker, and Deputy Lieutenant for the county of Tyne and Wear.
Chapman was born in Cleadon in County Durham (now Tyne and Wear) to Sir Robert Macgowan Chapman and Barbara May Tonks.
Chapman inherited the Chapman baronetcy after the death of his father Sir Robert Macgowan Chapman on 2 August 1987. He was appointed High Sheriff of Tyne and Wear for 1993-1994, and in 1997 was appointed Deputy Lieutenant of Tyne and Wear.
| Escutcheon: | Per chevron Argent and Gules a crescent counterchanged in dexter chief a portcullis chained Sable over all in pale a sword point downwards Proper pommel and hilt Or. |
| Crest: | Issuant from a wreath of oak Proper a dexter arm embowed vested Gules cuffed Argent grasping in the hand a harpoon also Proper. |
| Motto: | Suaviter Sed Fortiter [1] |