Chiara Gambacorti was a 14th-century Italian nun belonging to the Order of Preachers. Born Vittoria in Florence, she was the daughter of a wealthy merchant and was briefly married to Simone Massa before he died of the plague. Seeking to follow her religious calling rather than entering a second arranged marriage, she eventually joined the Dominican Order. She later served as an abbess and was known for her commitment to strict religious observance within her community.