Daniel Hiram Gibson (born February 27, 1986, in Houston, Texas) is an American professional basketball player currently playing for the Cleveland Cavaliers of the NBA. His nickname, "Boobie," was affectionately given to him by his mother.

Gibson averaged 25.54 points per game and 9.3 assist per game while leading Jones High School in Houston, Texas to a 31-4 record and the Texas Class 4A state title as a senior. It marked the school's first state championship since 1965. Gibson graduated sixth out of 212 students in his high school senior class. and was a member of the National Honor Society.

Gibson starred as a guard in college basketball for the University of Texas at Austin. In his two seasons with the Longhorns, he scored 935 points, including 175 three-point field goals. Gibson made 101 threes during the 2005-2006 season, including nine (of 12) against the Baylor Bears on January 21, 2006. It was one short of the Texas record of 10 set by Al Coleman against Kansas State in January, 1997. He scored a personal-high 37 points in that same game.