Brandon Michael Fahey (born January 18, 1981 in Dallas, Texas) is a Major League Baseball utility player with the Toronto Blue Jays organization. He played high school baseball for Duncanville High School in Duncanville, Texas. While living at Duncanville, his father Bill Fahey played baseball for the Texas Rangers and his mother was a teacher at W.W. Samuell High School in Dallas.

Fahey went to Grayson County College his first two years and then attended the University of Texas, where he played baseball for a year. He hit .303 in 45 games as the Longhorns won the National Championship in 2002.

He was selected by the Baltimore Orioles in 12th round of the 2002 Major League Baseball Draft out of the University of Texas. In 2006, he was called up from the Orioles Triple-A affiliate, the Ottawa Lynx, when regular second baseman Brian Roberts went on the disabled list. On May 16, 2006, Fahey hit his first career home run off Boston Red Sox starting pitcher Curt Schilling.