Justin Hamilton (born July 27, 1993) is an American professional football defensive tackle.

Hamilton signed with the Green Bay Packers as an undrafted free agent in 2015 and has also been a member of several other NFL teams.

He was suspended by the Sun Belt Conference for the third game against Oklahoma State University.

He came off the bench in the eighth game against the University of Louisiana at Monroe, when the team employed a dime defense.

As a junior, he was slowed by an off-season leg injury and did not regain his full strength until mid-season.

[2] Hamilton was signed as an undrafted free agent by the Buffalo Bills after the 2015 NFL draft on May 3.

[24] He made his NFL debut in the fourth game against the San Diego Chargers.

[25] On December 7, 2017, Hamilton was signed by the Kansas City Chiefs off the Eagles' practice squad.

[27] On October 16, 2019, Hamilton was signed by the Dallas Cowboys to replace an injured Tyrone Crawford.

On October 25, he was released after the team obtained defensive end Michael Bennett in a trade.

[34][35] He was promoted to the active roster on November 6, to provide depth at defensive tackle while Neville Gallimore was out with an elbow injury.

He was promoted to the active roster on December 18, to provide depth after defensive tackles Hill and Osa Odighizuwa were placed on the Reserve/COVID-19 list.