have there ever been or are there any current female dictators?

Answer 1

Erzebet Bathory of Hungary, who lived 1560-1614. She ruled part of Hungary as a countess.

Marie de Medici, Queen Consort and (later) regent of France, 1575-1642.

Madame Mao Zedong, aka Jiang Qing, of China. She led the "cultural revolution" and tried unsuccessfully to succeed her husband as a member of the "Gang of Four", ending up in prison.

Cixi, Regent and Dowager Empress of China, 1835-1908

Answer 2

P.S. Perhaps Cleopatra?

Sra