Kate Garry Hudson (born April 19, 1979) is an American actress. She has received several accolades, including a Golden Globe Award and a nomination for an Academy Award.

Born to singer Bill Hudson and actress Goldie Hawn, Hudson made her film debut in the 1998 drama Desert Blue, which was followed by supporting roles in several films. She rose to prominence with her portrayal of Penny Lane in Cameron Crowe's musical drama Almost Famous (2000), for which she won a Golden Globe for Best Supporting Actress and received an Oscar nomination in the same category.

Throughout the 2000s, Hudson starred in a succession of romantic comedies, most notably in How to Lose a Guy in 10 Days (2003), You, Me and Dupree (2006), Fool's Gold (2008), and Bride Wars (2009). On television, she had a recurring role in the musical series Glee (2012–2013) and a starring role in the second season of Truth Be Told (2022). Her other film credits include The Skeleton Key (2005), Nine (2009), Rock the Kasbah (2015), Deepwater Horizon (2016), Mother's Day (2016), Music (2021), and Glass Onion (2022).

Hudson is a co-founder of the fitness brand and membership program Fabletics, operated by TechStyle Fashion Group. She is also the author of the non-fiction books Pretty Happy: Healthy Ways to Love Your Body (2016) and Pretty Fun: Creating and Celebrating a Lifetime of Tradition (2017).