| John Dalrymple | |
| Birth Date: | 1722 |
| Death Date: | 10 October 1798 |
| Death Place: | Manchester Square, London |
| Residence: | Kingdom of Great Britain |
| Allegiance: | Kingdom of Great Britain |
| Serviceyears: | 1740–1798 |
| Rank: | Admiral |
| Branch: | Royal Navy |
| Commands: | HMS Hazard's Prize HMS Albany HMS Solebay HMS Winchester HMS Union Nore Command |
| Battles: | |
| Spouse: | Eleanor Howard |
| Children: | 2 |
Admiral John Dalrymple, FRS (1722 – 10 October 1798) was an officer of the Royal Navy who held several commands over the course of his career, and later became a fellow of the Royal Society.
Born in Scotland Dalrymple entered the Royal Navy as a captain's servant aboard . He passed his examinations for promotion to lieutenant in 1744. He commanded a sloop in 1757; and he was promoted to post-captain in 1758. He was captain of in 1762. He was promoted to the rank of rear-admiral in 1787 and to vice-admiral in 1793. He was Commander-in-Chief, The Nore from 11 May 1794, flying his flag aboard . He was promoted to full admiral in 1795.[1]
On 23 May 1796 Dalrymple was elected as a member of the Royal Society.[1]