Gabrielle Montoya Mayo (born January 26, 1989) is an American sprinter who specializes in the 100 metres.
She attended Texas A&M University.
A native of Raleigh, North Carolina, Mayo attended Southeast Raleigh Magnet High School.
She won a silver and a gold medal at the 2006 World Junior Championships in Athletics.
She was Track and Field News "High School Athlete of the Year" in 2006.Mayo was part of a US 4×100 m relay squad that established the current World Junior Record over that distance.