Katherine Hull (born 26 February 1982) is an Australian professional golfer currently playing on the United States-based LPGA Tour and on the ALPG Tour.
Hull began playing golf at age 12 in her native Australia. She attended Pepperdine University in Malibu, California where she was an All-American in 2002–03 and was the NCAA Player of the Year in 2003. She collected eight collegiate wins during her career. Hull graduated from college in 2003 with a degree in Sports Administration.
After graduating from college in 2003, Hull turned professional, playing on the Duramed FUTURES Tour. She won her first event as a professional, the Aurora Health Care FUTURES Charity Golf Classic, and one additional event that season. She finished tied for 42nd at the final LPGA Qualifying Tournament in 2003 to earn non-exempt status on the LPGA Tour for 2004.