[In English, this name derived from Greek may be spelled "Catherine", "Katherine", "Katharine", or "Kathryn". Variants from other languages include "Catalina" (Spanish), "Ekaterina" (Russian), and "Katrina" (German).]
Among the women known to history as Queen Catherine are:
Catherine of Alexandria (or Saint Catherine) (~27x-~307), queen regnant of Egypt: daughter of Queen Sabinella of Egypt and King Costis of Egypt, son of Constantius Chlorus
Catherine II of Russia (Yekatarina II or Catherine the Great) (1729-1796), empress, consort and then regnant, of Russia: daughter of Christian Augustus, Prince of Anhalt-Zerbst; wife of Peter III of Russia