David Greig

• David Greig (supermarket), a supermarket chain of the Greig family of Hornsey, north London
• David Greig, Scottish landowner
• David Greig (dramatist), Scottish playwright and theatre director
• David Greig (MP), British member of parliament for Perth, 1839–1841
• David Cunningham Greig, British geologist
• David Middleton Greig, Scottish surgeon