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- Bette Davis (1908–1989); actress; lived in Cape Elizabeth, Maine
- Owen Davis (1874–1956); Pulitzer Prize-winning dramatist; born in Portland
- Patrick Dempsey (born 1966); actor; born in Lewiston
- Dorothea Dix (1802–1878) pioneering advocate for treatment and care of handicapped and mentally ill
- Nelson Dingley Jr. (born 1832); Governor of Maine, US House of Representatives (Dingley Tariff), Editor of Lewiston Journal
- Jeff Donnell (1921–1988); actress; born in Windham
- Paul Douglas (1892–1976); economist and Illinois senator from 1949 to 1967; partly raised in Onawa in Piscataquis County
Read more about this topic: List Of People From Maine