Katherine Hull (born February 26, 1982) is an Australian professional golfer currently playing on the United States-based LPGA 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 very 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-exampt status on the LPGA Tour for 2004.