| Jurisdiction: | Diocese |
| Drohiczyn | |
| Latin: | Dioecesis Drohiczinensis |
| Country: |  Poland |
| Metropolitan: | Białystok |
| Rite: | Latin Rite |
| Established: | 5 June 1991 |
| Cathedral: | Cathedral of the Most Holy Trinity |
| Cocathedral: | Co-Cathedral of the Immaculate Heart of Mary |
| Area Km2: | 8,000 |
| Population: | 235,100 |
| Population As Of: | 2021 |
| Catholics: | 177,100 |
| Catholics Percent: | 75.3 |
| Bishop: | Piotr Sawczuk |
| Emeritus Bishops: | Antoni Pacyfik Dydycz, OFMCap Tadeusz Pikus |
| Website: | Website of the Diocese |
The Diocese of Drohiczyn (Latin: Dioecesis Drohiczinensis ) is a Latin Church diocese of the Catholic Church located in the city of Drohiczyn in the ecclesiastical province of Białystok in Poland.
Bishops of Drohiczyn