Grady O'Neal Jackson (born January 21, 1973) is an American former professional football defensive tackle. He was selected by the Oakland Raiders in the sixth round of the 1997 NFL draft.^[1] He played college football at Knoxville College.

Jackson also played for the New Orleans Saints, Green Bay Packers, Jacksonville Jaguars, Atlanta Falcons, Detroit Lions and Florida Tuskers.

Jackson played defensive tackle at Knoxville College, after transferring from Hinds Community College. While at Hinds, he was a two-time Junior College All-American and the National Junior College Player of the Year following the 1995–1996 seasons.

Jackson was represented by agent Drew Rosenhaus. Before the 2005 NFL season, Jackson said he would hold-out of training camp in order to secure a new contract with the Packers. However, he reported for training camp on the first day. Several days later, however, Jackson told reporters that he no longer felt wanted in the Packers organization and requested to be released or traded to another team, but later retracted those statements, and played out the 2005 season without a new contract.

In 2006, as a member of the Atlanta Falcons, Jackson led the league in tackles for a loss. On October 23, 2007, the Falcons released Jackson.

On October 30, 2007, the Jacksonville Jaguars signed Jackson to a one-year contract.^[2]

Jackson was re-signed by the Falcons on July 28, 2008. On December 2, 2008, the NFL reported that he had failed a drug test and they would further investigate the circumstances before deciding upon disciplinary action.^[3]

On March 4, 2009, Jackson was signed by the Detroit Lions.

Jackson was released on March 5, 2010.