| Type: | Archbishop |
| Honorific-Prefix: | His Excellency |
| Archbishop of Gniezno | |
| Hippolytus | |
| Birth Date: | 10th century |
| Death Date: | 1027 |
| Church: | Roman Catholic |
| Archdiocese: | Gniezno |
| Enthroned: | before 1025 |
| Ended: | 1027 |
| Predecessor: | Radim Gaudentius |
| Successor: | Bossuta Stefan |
Hippolytus or Hipolit (died c. 1027) was an early medieval archbishop of Gniezno.[1] His place and date of birth date are unknown but the medieval historian Jan Długosz claims that he was of noble birth and a Roman citizen. Modern scholars generally agree that he was not Polish.[2]
He was appointed Bishop between 18 April 1025 and 25 December 1025 in Gniezno Cathedral by Bolesław I the Brave and was primate of Poland through the last part of Boleslaw's reign and the beginning of Mieszko II Lambert's.
On April 18, 1025, he crowned Boleslaw I the Brave and on December 25, 1025, Mieszko II Lambert as the kings of Poland in his Gniezno cathedral.He died in 1027 and is buried in Gniezno Cathedral.