- (geography) Relating to the region of Campania in Italy or its inhabitants.
- (geology) The fifth of six geological ages of the Late Cretaceous epoch, spanning the time from 83.6 ± 0.7 to 72.1 ± 0.6 million years ago. It is preceded by the Santonian and followed by the Maastrichtian.
Campanian (plural Campanians)
- Someone from Campania.