4th-century BC women regents

Olympias (; c. 375–316 BC) was an ancient Greek princess of the Molossians, the eldest daughter of King Neoptolemus I of Epirus, and the sister of Alexander I of Epirus. She was the mother of Alexander the Great by Philip II, king of Macedonia. She was extremely influential in Alexander's life and was recognized as de facto leader of Macedon during his conquests.

4th-century BC Macedonian princess and queen regent of Epirus

mythical queen regnant of the Britons

Concubine of King Huiwen of Qin (c. 338–265 BC)