William Winder may refer to:

• William H. Winder (1775–1824), American general in the War of 1812 and lawyer
• William A. Winder (1823–?), U.S. Army Commanding Officer of Fort Alcatraz

• Theodora Kyriacou
• Theodora Kyriakou
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• Theodora McCormick Du Bois
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• Theodora Palaiologina (disambiguation)
• Theodora Paleologina
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• Theodora Sturkow-Ryder