Justin Renfrow (born November 23, 1989) is an American professional football offensive tackle for the Jacksonville Sharks of the National Arena League (NAL).

[citation needed] Renfrow played for the Blacktips of the Fall Experimental Football League (FXFL) in 2014.

[citation needed] On November 25, 2014, Renfrow signed with the Green Bay Packers of the National Football League (NFL).

[citation needed] Renfrow signed a contract with San Francisco 49ers on May 18, 2015, along with Michigan State's Mylan Hicks.

[10] On February 1, 2023, Renfrow signed with the Jacksonville Sharks of the National Arena League (NAL).