Cathy Brown (born 28 July 1970) is a British sports coach and former professional boxer who competed from 1999 to 2006. She challenged for multiple world championships during her career; the WIBF bantamweight title twice in 2002 and 2004; the WIBF flyweight title in 2003; and the WBC female flyweight title in 2005. At regional level, she challenged once for the European female flyweight title in 2003. She regularly writes columns for Men's Health and Women's Health magazine.