Alison Bartlett-O'Reilly (born July 14, 1971) is an American actress known for portraying Gina Jefferson on Sesame Street. Initially playing the character on an on-and-off basis in 1985, Bartlett-O'Reilly has played Gina regularly since November 1987. She has acted on Broadway as well.
Sometimes credited as Alison Bartlett, she is married to actor Harry O'Reilly; they have three children. Her mother is actress D'Jamin Bartlett. Bartlett-O'Reilly is presently a real estate agent for Halstead in Riverdale, New York.