Donald Lewis may refer to:

• Donald John Lewis (1926–2015), American mathematician
• Donald Emerson Lewis (1930–1991), Canadian politician
• Donald Swain Lewis (1886–1916), British Army and Royal Flying Corps/Royal Air Force officer

• Ellwood J. Turner
• Ellwood (Leesburg, Virginia)
• Ellwood (Ottawa)
• Ellwood (surname)
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