Sarah Gray Rafferty (born December 6, 1972) is an American actress. She is best known for her role as Donna Paulsen on the USA Network legal drama Suits.
Rafferty grew up as the youngest of four daughters in the Riverside neighborhood of Greenwich, Connecticut. She credits her mother, Mary Lee Rafferty, the Chairwoman of the English Department at Convent of the Sacred Heart school, and her father, Michael Griffin Rafferty Jr., who enjoys two successful careers in finance and oil painting, for cultivating her passion for the arts. Her sisters are Maura, Ann, and Constance.
Rafferty studied at Phillips Academy in Andover, Massachusetts, and graduated in 1989. She majored in English and Theatre at Hamilton College, studied theatre abroad in the United Kingdom and at the University of Oxford during her junior year, and, after graduating magna cum laude from Hamilton in 1993, went on to study at the Yale School of Drama, receiving a Master of Fine Arts.