Langtry, John
| Title | Mr |
| Forenames | John |
| Surname | Langtry |
| Gender | m |
| Role | Miller & farmer |
| Address | Speltham Mill, Hambledon |
| Region | Hampshire |
| Country | United Kingdom |
| Start date | 1814 |
| End date | 1859 |
| Original document | Windmills of Hampshire and the Isle of Wight |
| Compiler | Pru Barrett |
| Notes | Landowner and occupier. Also worked Denmead. Tried to sell in 1840 unsuccesfully; remained in his ownership until his death in 1859. Left mill and cottage to sister Eliza Langtry |