Sir John McMahon, 1st Baronet
Sir John McMahon  | |
|---|---|
1815 engraving by Charles Turner, after a painting by Sir Thomas Lawrence  | |
| Private Secretary to the Prince Regent | |
| In office 1811–1817  | |
| Preceded by | Lt. Gen. Sir Herbert Taylor | 
| Succeeded by | Lt. Gen. Sir Benjamin Bloomfield | 
| Personal details | |
| Nationality | British | 
Colonel Sir John McMahon, 1st Baronet (c. 1754 – 12 September 1817) was an Irish-born politician and Private Secretary to the Prince Regent 1811–1817.