David Robertson, American baseball player
David Alan Robertson (born April 9, 1985), nicknamed D-Rob, is an American professional baseball pitcher for the Chicago Cubs of Major League Baseball (MLB). He previously played in MLB for the New York Yankees, Chicago White Sox, Philadelphia Phillies, and Tampa Bay Rays.

Robertson played college baseball for the Alabama Crimson Tide. He was drafted by the Yankees in the 17th round of the 2006 MLB draft and made his MLB debut with the Yankees in 2008. Robertson was a member of the Yankees team that won the 2009 World Series. He was named an MLB All-Star in 2011. After Mariano Rivera retired, Robertson served as the Yankees' closer in 2014. He signed with the White Sox as a free agent after the 2014 season and was traded back to the Yankees in July 2017. Robertson signed with the Phillies as a free agent after the 2018 season.