Calpurnianus

Calpurnianus is a surname. Notable people with the surname include:


 * Decrius Calpurnianus (died 48 AD), Roman Eques
 * Marcus Antius Crescens Calpurnianus (fl. late 1st to early 2nd century AD), Roman senator
 * Marcus Pupius Piso Frugi Calpurnianus (died before 47 BC), Roman senator