Patriarch Joasaphus I of Moscow
| Joasaphus | |
|---|---|
| Patriarch of Moscow and all the Rus' | |
| Portrait in the Tsarsky titulyarnik, 1672 | |
| Church | Russian Orthodox Church | 
| See | Moscow | 
| Installed | 1634 | 
| Term ended | 1640 | 
| Predecessor | Filaret | 
| Successor | Joseph | 
| Personal details | |
| Born | |
| Died | 28 November 1640 | 
| Buried | Dormition Cathedral, Moscow | 
Joasaphus I (Russian: Иоасаф I, romanized: Ioasaf I; ? – 28 November 1640, Moscow) was the fifth Patriarch of Moscow and All Russia (1634–1640).