Katarina Zrinska

Ana Katarina Zrinska
Bust of Katarina Zrinska in Čakovec
Spouse(s)	Petar Zrinski
Issue Jelena Zrinski (1643–1703) Judita Petronela (1652–1699) Ivan Antun Zrinski (1654–1703) Aurora Veronika (1658–1735)
Noble family	House of Frankopan House of Zrinski
Father	Vuk Krsto Frankopan
Mother	Uršula Innhofer
Born	c. 1625 Bosiljevo, Kingdom of Croatia, Austrian Empire
Died	16 November 1673 (aged 47 or 48) Graz, Austrian Empire

Countess Ana Katarina Zrinska (c. 1625–1673) was a Croatian noblewoman and poet, born into the House of Frankopan noble family. She married Count Petar Zrinski of the House of Zrinski in 1641 and later became known as Katarina Zrinska. She is remembered in Croatia as a patron of the arts, a writer and patriot. She died in obscurity in a monastery in Graz following the downfall of the Zrinski-Frankopan conspiracy in 1671 and the execution of her husband Petar Zrinski.

Katarina Zrinski and the conspiracy were largely forgotten until the 1860s, when Croatian politician Ante Starčević began a campaign to rehabilitate the Zrinski and Frankopan nobility, and the story of her life and death was widely popularised following the publishing of Eugen Kumičić's historical novel Urota Zrinsko-Frankopanska (English: The Zrinski-Frankopan Conspiracy) in 1893. In the early 20th century, and especially after World War I, numerous Croatian women's associations were founded bearing her name. In 1999 the Croatian National Bank issued a silver commemorative coin depicting Katarina Zrinski, in their Znamenite Hrvatice (English: Famous Croatian Women) series, along with children's writer Ivana Brlić-Mažuranić and painter Slava Raškaj.

Katarina was born in Bosiljevo near the modern city of Karlovac in present-day Croatia to Vuk Krsto Frankopan of the House of Frankopan, a well-known commander (general) and nobleman in the Croatian Military Frontier (which was an autonomous region carved out of the Kingdom of Croatia within the Austrian Empire) and his second wife Uršula Inhofer. Fran Krsto Frankopan, also a notable nobleman, was her half brother, produced in Vuk Krsto's third marriage to Dora Haller.