Dame Julia Mary Walters DBE (born February 22, 1950), known professionally as Julie Walters, is an English actress, author, and comedian. She is the recipient of four British Academy Television Awards, two British Academy Film Awards, two International Emmy Awards, a BAFTA Fellowship, and a Golden Globe. Walters has been nominated twice for an Academy Award: once for Best Actress and once for Best Supporting Actress.

Walters rose to prominence playing the title role in Educating Rita (1983), a role which she originated in West End theatre. She has appeared in a number of films, including Personal Services (1987), Stepping Out (1991), Sister My Sister (1994), Billy Elliot (2000), the Harry Potter series (2001–2011) as Molly Weasley, Calendar Girls (2003), Wah-Wah (2005), Driving Lessons (2006), Becoming Jane (2007), Mamma Mia! (2008) and Mamma Mia! Here We Go Again (2018), Brave (2012), Paddington (2014) and its 2017 sequel, Brooklyn (2015), Film Stars Don't Die in Liverpool (2017), and Mary Poppins Returns (2018). On stage, she won a Laurence Olivier Award for Best Actress for the 2001 production of All My Sons.