| John Leuchars | |
| Fullname: | John Walter Leuchars |
| Nationality: | British |
| Birth Date: | 1852 7, df=yes |
| Death Place: | Durban, South Africa |
John Walter Leuchars (25 July 1852 – 20 September 1920) was a sailor from Great Britain, who represented his native country at the 1908 Summer Olympics in Ryde, Great Britain. Leuchars took the 4th place in the 6 Metre class.[1]