Justin Barnett Christian (born April 3, 1980) is an American former professional baseball outfielder.

Christian attended Borel Middle School in San Mateo and then attended Aragon High School in San Mateo, California from 1995–98, where he played varsity baseball all four years for John Arents and later Mike Trimble.

He started the 2007 season with the Double-A Trenton Thunder, batting .235 with three home runs, 32 RBI and 18 stolen bases.

On June 24, 2008, he was promoted to the Yankees' major league roster preceding their interleague series with the Pittsburgh Pirates.

[5] On May 7, 2010, he was re-signed by the Yankees while playing for the Southern Maryland Blue Crabs in the independent Atlantic League, and was assigned to the Double-A Trenton Thunder, where he broke Kevin Thompson's franchise record for stolen bases[6] and was re-promoted to Triple-A Scranton/Wilkes-Barre on September 6.

[7] On February 5, 2011, Christian signed a minor league contract with the reigning World Series champion San Francisco Giants.

On November 26, 2012, Christian signed a minor league deal with the St. Louis Cardinals[10] with an invitation to spring training.