| Papal election September 1143 | |
|---|---|
| Dates and location | |
| 26 September 1143 Archbasilica of St. John Lateran, Rome | |
| Key officials | |
| Dean | Corrado Demetri della Suburra |
| Protopriest | Gerardo Caccianemici |
| Protodeacon | Gregorio Tarquini |
| Elected pope | |
| Guido di Castello Name taken: Celestine II | |
The 1143 papal election followed the death of Pope Innocent II and resulted in the election of Pope Celestine II.
