An American football running back/wide receiver for the Tennessee Titans of the National Football League. He was signed by the Minnesota Vikings as an undrafted free agent in 2008. He played college football at West Virginia. He has also played for the New York Giants.

Reynaud was born to Katrina and Michael Reynaud. Reynaud was awarded the St. Charles parish offensive MVP award in high school after leading Hahnville High School to an undefeated record and the state championship as a senior. He recorded 236 carries for 1,889 yards and 37 touchdowns as a Running back his senior season, with nine 100 yard rushing games. His stats earned him First-team All-State, All-District, All-6-5A and All-River Parish honors. He also was the Louisiana state long jump champion with a 24.5' jump.

Although he was an offensive and long jump star in high school, Reynaud only received scholarship offers from Indiana and West Virginia. He eventually signed as one of the last recruits with the Mountaineers.

On January 10, 2008, Reynaud announced he would forgo his senior year (regained due to being a prop player) and enter the 2008 NFL Draft.

Reynaud was invited to the NFL Scouting Combine. Reynaud's 34.5 vertical jump was the 11th best by a receiver, while his 3-cone drill time of 6.88 was the 9th best, his 20 bench reps were third, and his broad jump was also third best for a receiver.

Reynaud reported that he met with the New England Patriots at the NFL Combine. At West Virginia's Pro Day, Reynaud ran a 4.48 40-yard dash, with a 37" vertical jump. He also improved his broad jump from 10'7" to 10'10". Reynaud also ran a 1.47 10-yard dash time, which was one of the best for any draught prospect at their respective Pro Days.

Darius Reynaud was signed on January 7, 2012 to the Tennessee Titans only months after being cut by the Giants. In his first preseason game, Reynaud had a 21 yard run for a touchdown and returned a kick 85-yards for a second touchdown late in the 3rd quarter. Later in week 3 against the Detroit Lions, Reynaud set a franchise record by returning a 105 yard touchdown on a kickoff in the 4th quarter. During the same game on a punt return, Reynaud threw a lateral pass to cornerback Tommie Campbell which resulted in a touchdown; This play was reminisce of the (in) famous "Music City Miracle" and has been dubbed by some fans "Music City Miracle 2".