| József von Platthy | |
| Discipline: | Show jumping |
| Birth Date: | 17 December 1900 |
| Birth Place: | Karancskeszi, Hungary |
| Death Place: | Budapest, Hungary |
| Medaltemplates: | Bronze medal of József von Platthy - 1936 Olympic Games - Show Jumping |
József von Platthy (17 December 1900 – 21 December 1990) was a Hungarian military officier and horse rider who competed in the 1936 Summer Olympics.
In 1936 he and his horse Sellő won the bronze medal in the individual jumping competition.