David Gallagher (disambiguation)
David Gallagher is an American film and television actor.
David Gallagher may also refer to:
- David Gallagher (Australian footballer), former Australian rules footballer
- David Gallagher (Gaelic footballer), Meath Gaelic footballer
- Dave Gallagher, baseball player
- Dave Gallagher (American football), former American football defensive tackle
- Dave Gallagher, creator of the animated web series ''MechWest''