David Greig may refer to:David Greig (supermarket), a supermarket chain of the Greig family of Hornsey, north London David Greig (landowner) (1837–?), Scottish landowner David Greig (dramatist), Scottish playwright and theatre director David Greig (MP), British member of parliament for Perth, 1839–1841 David Cunningham Greig (1922–1999), British geologist David Middleton Greig (1864–1936), Scottish surgeon