Aaron Scott Walker (born March 14, 1980) is an American former professional football player who was a tight end in the National Football League (NFL). Walker played college football for the Florida Gators, and thereafter he played in the NFL for the San Francisco 49ers and St. Louis Rams.
Walker was born in Titusville, Florida, in 1980. He attended Astronaut High School in Titusville, and played high school football for the Astronaut War Eagles. As a senior tight end in 1997, Walker caught thirty-six for 497 yards, while also recording eighty-two tackles and fourteen quarterback sacks as a defensive end. He received Florida Class 4A all-state honors and was recognized as a high school All-American by PrepStar and Super Prep. Walker was also a letterman in basketball and baseball.
Walker accepted an athletic scholarship to attend the University of Florida in Gainesville, Florida, where he played for coach Steve Spurrier and coach Ron Zook's Gators teams from 1999 to 2002. Walker was a second-team All-Southeastern Conference (SEC) selection after his senior season in 2002. In his four-year college career, he played in forty-seven games, started twenty-nine of them, and caught fifty-six passes for 716 yards and nine touchdowns.
The San Francisco 49ers selected Walker in the fifth round (161st overall pick) of the 2003 NFL draft. He played for the 49ers in and . He was also an active team member of the St. Louis Rams from to , and a member of the Baltimore Ravens and Cleveland Browns practice squads. During his five-season NFL playing career, he appeared in fifty-five regular season games, started fourteen of them, and had twenty-five receptions for 312 yards and a touchdown.
As of 2013, Walker was a pit crew member for the No. 7 car of Tommy Baldwin Racing as a jackman in the NASCAR Sprint Cup Series.