Teresa Stich-Randall (24 December 1927 – 17 July 2007) was a European-based American soprano opera singer. Teresa Stich was born in West Hartford, Connecticut to John Stich (1898–1957) and Mary Theresa (Zils) Stich (1904–1986) on Christmas Eve, 1927.

She had a brother, Edward. She studied at the Hartt College of Music under Ivan Velikanoff. She later studied music at Columbia University and at the University of Perugia.