William Percival (Percy) Harvin III (born May 28, 1988 in Virginia Beach, Virginia) is a rookie wide receiver and kick return specialist for the Minnesota Vikings of the National Football League. Due to his impressive speed, quickness, fearless open field running, and his ability to play multiple positions, he is regarded as one of the NFL's future stars.

Harvin played college football at the University of Florida. He was on national championship teams in both Pop Warner and in the NCAA. He attended and played football for Landstown High School in Virginia Beach, Virginia, where his team won the Virginia High School State Championship in 2004.

Percy was born to William Percival Harvin, Jr. and wife Linda (now Linda Little) in Virginia Beach, Virginia, where after his father's departure, he lived with his mother, older sister Lintera, and later stepfather, Leon Little. His mother Linda ran a daycare out of their home as Percy helped with the children. As a child, Percy was a gifted natural athlete with boundless energy, whose prowess was first noted as a six-year old flag football participant. In 2000, at age 12, he was a member of the National Champion 4x100m relay team in the Midget (11-12) Age Group. At age 13, he played for Coach Bruce Pearl and the Virginia Beach Mustangs Pop Warner football team where he led the team to a Pop Warner National Championship.