| John Bladen Tinker | |
| Birth Date: | 1725 |
| Death Date: | 19 July 1767 |
| Allegiance: | Kingdom of Great Britain |
| Branch: | Royal Navy |
| Serviceyears: | 1741–1767 |
| Rank: | Captain |
| Commands: | HMS Experiment HMS Trident HMS Dover HMS Argo HMS Medway East Indies Station |
| Relations: | John Tinker (father) |
Captain John Bladen Tinker (c.1725 – 19 July 1767) was a senior Royal Navy officer who served as Commander-in-Chief, East Indies Station from 1763 to 1765.
John Bladen Tinker was born in about 1725. He joined the Royal Navy on 15 June 1741 as an ordinary seaman on board the 90-gun ship of the line HMS Bafleur. Promoted to captain on 4 July 1756, he was given command of the sixth-rate . He went on to command, successively, the third-rate, the fifth-rate and the sixth-rate .[1] His last command was the fourth-rate in which he sailed out to the far east[2] and served as Commander-in-Chief, East Indies Station from 1763 to 1765.[3]