Quincy Williams (born August 28, 1996) is an American professional football linebacker for the Cleveland Browns of the National Football League (NFL). He played college football for the Murray State Racers and was selected by the Jacksonville Jaguars in the third round of the 2019 NFL draft. He is the older brother of Quinnen Williams.
Quincy Williams played multiple positions at Murray State University. He redshirted his freshman year in 2014. In 2015, he played in 11 games with three starts. He finished the season with 31 tackles and a pass breakup. In 2016, he played in 10 game with three starts with 32 tackles, 13 solo with one pass breakup. His senior year, he played in all 11 games and finished the season with 78 tackles and two interceptions, one being a pick six.
Williams was drafted by the Jacksonville Jaguars in the third round with the 98th overall pick in the 2019 NFL draft. The Jaguars previously acquired this selection in a trade that sent Dante Fowler to the Los Angeles Rams.
As a rookie, Williams was named a starting outside linebacker to begin the season. He played in 11 games with eight starts before being placed on injured reserve on December 11, 2019. He finished the season with 48 tackles.
On September 8, 2020, Williams was placed on injured reserve. He was designated to return from injured reserve on September 30, and began practicing with the team again. He was activated on October 10, 2020.
On August 31, 2021, Williams was waived by the Jaguars as part of final roster cuts.
On September 1, 2021, the New York Jets claimed Williams off waivers.
On August 20, 2022, Williams was fined $10,609 for a late hit he made on Jalen Hurts during the first preseason game against the Philadelphia Eagles.
On March 15, 2023, Williams signed a three-year, $18 million contract extension with the Jets.
In October 2023, Williams was named American Football Conference Defensive Player of the Month for his performance.
Williams began the 2025 season as one of the Jets' starting linebackers. In Week 3 against the Tampa Bay Buccaneers, Williams suffered a shoulder injury, causing him to be placed on injured reserve on September 23, 2025. He was activated on October 25, ahead of the team's Week 8 matchup against the Cincinnati Bengals.
On March 11, 2026, Williams signed a two-year, $17 million contract with the Cleveland Browns.