Frank Bernard Walker (born August 6, 1981) is an American former professional football cornerback who played in the National Football League (NFL) for the New York Giants, Green Bay Packers, Baltimore Ravens, Minnesota Vikings and Dallas Cowboys.

Walker attended Booker T. Washington High School, where he practiced football, baseball and track.

As a senior, he played running back in six games, rushing for 948 yards and 12 touchdowns.

[2] Walker was selected by the New York Giants in the sixth round (207th overall) of the 2003 NFL draft.

[4] Despite being brought in to be the third cornerback on the depth chart, Walker played a reduced role with the Packers during their 13–3 regular season run to their eventual loss to the New York Giants in the 2007 NFC Championship game.

After his one-year deal expired, he chose not to re sign with the Packers due to his lack of playing time.

On March 14, 2008, Walker was signed by the Baltimore Ravens to compete for the team's third cornerback position.

On October 13, 2010, Walker signed with the Minnesota Vikings, after Cedric Griffin was lost for the season with a right knee injury.

On August 4, 2011, Walker signed with the Tennessee Titans to replace an injured Ryan Mouton.

On September 13, 2011, he was signed as a free agent by the Dallas Cowboys, reuniting with head coach Jason Garrett, who was a former teammate with the Giants.