| Johan Rathje | |
| Nationality: | Danish |
| Sport: | Sailing |
| Birth Date: | 26 September 1915 |
| Birth Place: | Svendborg, Denmark |
| Death Place: | Århus, Denmark |
Johan Rathje (26 September 1915 - 21 August 1996) was a Danish sailor. He competed in the Swallow event at the 1948 Summer Olympics.[1]