There are multiple origins and translations for the hugely popular name Anna:
1. Latinized form of the Hebrew name Hannah, derived from Hebrew (הֲנָאָה) [hanaa] denotation - "delectation, enjoyment, relish, entertainment, boon", see the name Anne/Ann. Or comes from the Hebrew word (אנה) [ana] - "mourn, sorrow; whither?".
2. Feminine diminutive of the name Iohannes/Yochanan interpretation - "God (Ya/Jehovah) is merciful (Hanan)".
In the Christian and Islamic tradition Holy Anne - the mother of Virgin Mary grandmother of Jesus.
Anna Perenna - in Roman mythology, is the goddess of the coming new year. According to the Roman calendar her festival fell on the Ides of March 15. Rite of cremation Anna Perenna in the form of a nasty old woman still exists in the cities of Italy.
3. Derived from the Arabic word (أنا) [ana] and translates as - "I, am".
4. Derived from the Turkish (Turkic) word anne means - "mother, mom, mama, mum, ma".
5. Sanskrit (अन्न) name-giving - "food; gtain, corn".
6. Turkmen (Turkic) name-forming denotation - "Friday". Friday is a Muslim holiday.