David Gallagher
- Name: David Lee Gallagher
- Birthdate: February 9, 1985
- Birthplace: Queens, New York
- Parents: Elena and Vincent Casey, Darren James Gallagher
- Siblings: Michelle Lee Casey (b. 2/13/88), Kelly Lee Casey (b. 5/13/91), Kyle Edward Casey (b. 10/27/92), and Killian Casey
Last updated 4-27-02