Zach Allen (born August 20, 1997) is an American football defensive end. He played college football at Boston College.
As a freshman in 2015, Allen played in all 12 games of the regular season, primarily as a member of the special teams unit. He participated in 66 plays on special teams and 46 plays at defensive end. In the first game of his collegiate career, Allen registered an assisted tackle in the season opener vs. Maine and recorded one solo tackle against Howard.
Allen was selected by the Arizona Cardinals with the 65th overall pick in the third round of the 2019 NFL Draft. Following training camp, Allen was named a starting defensive end to start the season. Allen started for the Cardinals in his debut during Week 1 of the 2019 NFL season against the Detroit Lions.
On March 15, 2023, Allen signed a three-year, $45.75 million contract with the Denver Broncos.