The Duke of Gordon | |
|---|---|
 Portrait, oil on canvas of Cosmo Gordon, 3rd Duke of Gordon (1720–1757) by Philippe Mercier (1689–1760) | |
| Known for | House of Lords |
| Born | 20 April 1720 |
| Died | 5 August 1752 (aged 32) |
| Nationality | Scottish |
| Spouse(s) | Lady Catherine Gordon |
| Issue | 6, including Alexander, William, and George |
| Parents | Alexander Gordon, 2nd Duke of Gordon Lady Henrietta Mordaunt |
Cosmo George Gordon, 3rd Duke of Gordon KT (27 April 1720 – 5 August 1752), styled Marquess of Huntly until 1728, was a Scottish peer.