Calixt III.
Calixt III. is the name of the following people:
- Calixt III. (Antipope) (actually Johannes von Struma ; † around 1180), Antipope from 1168 to 1178
- Calixt III. (Pope) (actually Alonso de Borja ; 1378–1458), Pope from 1455 to 1478
Calixt III. is the name of the following people: