Variant of Anna, from Hebrew Hannah meaning grace or favor.
Annia is a name of distinguished Roman antiquity, borne by members of the gens Annia — one of the ancient plebeian families of Rome. Its most luminous historical bearer was Annia Galeria Faustina, known as Faustina the Elder, born around 100 CE. She became Empress of Rome as the wife of Antoninus Pius, was celebrated for her charity and grace, and was deified after her death — her image stamped on Roman coins distributed across the empire.
Her daughter, also named Annia (Faustina the Younger), married Emperor Marcus Aurelius, making the name synonymous with the height of Roman imperial culture and Stoic philosophy. The name's roots are debated: some scholars connect it to the Latin annus ("year," suggesting cyclical completeness or endurance), while others see it as a feminine elaboration of Anna, the Hebrew name meaning "grace" or "favor" that spread widely through early Christianity. This dual ancestry — Roman civic tradition and Hebraic warmth — gives Annia a quietly cosmopolitan character.
As a given name today, Annia reads as a refined, slightly unexpected alternative to the ubiquitous Anna or Annie. It has the feel of a name rediscovered rather than invented — classical without being cold, feminine without being fragile, and carrying in its syllables the weight of two thousand years of history.