Rosemary Harris (born September 19, 1927) is a distinguished English actress with a career spanning over seven decades. Renowned for her work in theater, film, and television, she has received numerous accolades, including a Tony Award, an Emmy Award, and a Golden Globe. Harris is perhaps best known to modern audiences for her portrayal of Aunt May in Sam Raimi's Spider-Man trilogy (2002–2007).

Her illustrious stage career includes a Tony Award for Best Actress for her role as Eleanor of Aquitaine in The Lion in Winter (1966). She has also been nominated for an Academy Award for her performance in Tom & Viv (1994). Harris was inducted into the American Theater Hall of Fame in 1986 and received a Tony Award for Lifetime Achievement in 2017.