Classical period may refer to:
Classical antiquity, the Greco-Roman world from the 8th century BCE to the 5th century CE Classical Greece, a specific period (c. 510 – c. 323 BCE) within classical antiquity Classical India, a period in Indian history (c. 322 – c. 550 CE) Classic stage, a period in North American prehistory (c. 500 – c. 1200 CE) Classical Islam, a period in Islamic history (various definitions) Classical Age of the Ottoman Empire (1453–1566) Classical period (music), a period in European music (c. 1750 – c. 1820)
ja:古典期