Katharine Butler (born November 1967) is a British businesswoman and art historian.

Butler was born in London in November 1967. She is the daughter of British diplomat Sir Michael Butler and Ann Clyde, the daughter of James Latham Clyde, Lord Clyde. Through her mother she is also a great-granddaughter of James Avon Clyde, Lord Clyde and Peter Wallwork Latham. She grew up in Geneva, New York City, and Brussels. Her parents divorced in 1997.^[1]

Butler worked as a professor of art history at the University of Edinburgh. She operates retail and importing businesses in the Czech Republic, including Sparkys, a multi-story toy store in Prague. She also has an imporium of Chicco products from Italy and is a retailer for Loap's clothing. In 2015 she sold her businesses for 15 million euros.

She later developed Freebike, a bike rental company based in London, with her brother, Charles.

She has also been working alongside Charles to reopen a museum including her father's Chinese porcelain collection.^[2]

Butler was married to Swiss businessman Sebastian Pawlowski.

They later divorced.

She and Pawlowski have one son.

She lives in Waterston Manor, a 17th-century country house in Puddletown, Dorset.^[3]

In 2017 Butler began a relationship with Kyril, Prince of Preslav. (a son of Simeon II of Bulgaria), who is separated from his wife, Rosario, Princess of Preslav.^[4][5]