- [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 of Bosnia (or Katarina Kosaca) (142x-1478), queen consort of Bosnia: daughter of Stephen Vukcic Kosaca; wife of Stephen Thomas of Bosnia[?]