Rosemary Ann Harris (born 19 September 1927) is an English born actress known for her role as Aunt May in Sam Raimi's Spider-Man trilogy. She is a 1986 American Theatre Hall of Fame inductee.

Harris began her stage career in 1948, before making her Broadway debut in 1952. For her New York stage work she is a four-time Drama Desk Award winner and nine-time Tony Award nominee, winning the Tony Award for Best Actress in a Play in 1966 for The Lion in Winter. On television, she won an Emmy Award for the 1974 TV serial Notorious Woman, and a Golden Globe for the 1978 miniseries Holocaust. For the 1994 film Tom & Viv, she received a Best Supporting Actress Academy Award nomination. She is the mother of actress Jennifer Ehle.