David McCarthy
David or Dave McCarthy may refer to:
- David McCarthy (politician), unionist politician in Northern Ireland
- David McCarthy (sprinter), Irish sprint athlete from Dublin who medalled at the 2004 World Indoors
- David McCarthy (long-distance runner), Irish long-distance athlete from Waterford who medalled at the 2009 European Under-23s
- David J. McCarthy Jr., dean of the Georgetown University Law Center
- Dave McCarthy (Gaelic footballer), Irish Gaelic football player
- Dave McCarthy (hurler), Irish hurler