John Henry Haynes (27 January 1849 – 29 June 1910) was an American traveller, archaeologist and photographer, best known for his work at the first two American archaeological excavations in the Mediterranean, and Mesopotamia at Nippur and Assos. Haynes can be regarded as the father of American archaeological photography and his corpus remains an important record of numerous archaeological sites across Ottoman Anatolia.
John Henry Haynes was born in 1849 in Rowe, Massachusetts. He was the eldest son of John W. Haynes and Emily Taylor. Haynes’ father died when he was still young, and he put off his education to care for his younger siblings.