Ιερά Μονή Διονυσίου | |
 External view of the monastery | |
  Location within Mount Athos | |
| Monastery information | |
|---|---|
| Full name | Holy Monastery of Dionysiou |
| Order | Ecumenical Patriarchate |
| Established | mid 14th century |
| Dedicated to | John the Baptist |
| Diocese | Mount Athos |
| People | |
| Founder(s) | Dionysios |
| Prior | Archimandrite Elder Petros |
| Important associated figures | Nicodemus the Hagiorite |
| Architecture | |
| Style | Byzantine |
| Site | |
| Location | Mount Athos, Greece |
| Coordinates | 40°10′04.88″N 24°16′25.91″E / 40.1680222°N 24.2738639°E |
| Public access | Men only |
Dionysiou Monastery (Greek: Μονή Διονυσίου) is an Eastern Orthodox monastery at the monastic state of Mount Athos in Greece, at the southwest part of the Athos peninsula. The monastery ranks fifth in the hierarchy of the Athonite monasteries. It is one of the twenty self-governing monasteries in Athos, and it was dedicated to John the Baptist.