Alison Bartlett-O'Reilly (born July 14, 1971) is an American actress known for portraying Gina Jefferson on Sesame Street. She played the character on an on-and-off basis in 1985, and 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 also a real estate agent for Halstead in Riverdale, New York.