Kate Garry Hudson (born April 19, 1979) is an American actress, author and businesswoman. She rose to prominence starring in the film Almost Famous (2000), for which she won a Golden Globe and was nominated for the Academy Award for Best Supporting Actress. Her other films include How to Lose a Guy in 10 Days (2003), Raising Helen (2004), The Skeleton Key (2005), You, Me and Dupree (2006), Fool's Gold (2008), Bride Wars (2009), Nine (2009), and Deepwater Horizon (2016).

Hudson co-founded the fitness brand and membership program, Fabletics, operated by JustFab. In 2016, Hudson released her first book, Pretty Happy: Healthy Ways to Love Your Body. In 2017, she released her second book, Pretty Fun: Creating and Celebrating a Lifetime of Tradition.