David Orr (disambiguation)
David Orr is an American politician who has served as County Clerk of Cook County, acting Mayor of Chicago, and a member of Chicago City Council.
David Orr may also refer to:
- David Malcolm Orr, UK civil engineer
- David W. Orr, American professor of environmental studies and politics
- David Orr (journalist), American journalist and poetry reviewer
- David Orr (businessman), Anglo-Irish businessman, philanthropist and World War II veteran