Below are notable events in archaeology that occurred in 1915.

• Hiram Bingham III finishes his explorations of Machu Picchu, begun in 1911.

• R. E. Merwin leads Harvard University's Peabody Museum of Archaeology and Ethnology project at Lubaantun.
• Alfred V. Kidder (director of the Southwestern Expedition for Phillips Andover Academy) excavates Pecos Pueblo, New Mexico (ending 1927).
• Earl Halstead Morris excavates Twin Angels Pueblo.
• Nijmegen Helmet is found in the Netherlands.

• Sylvanus Morley - An Introduction to the Study of Maya Hieroglyphs.

• 21 September - Cecil Chubb acquires Stonehenge at auction for £6600.
• The first of the 'Etruscan terracotta warriors', forged by sculptor Alfredo Fioravanti with the Riccardi family, is purchased by the Metropolitan Museum of Art in New York City.

• August 8 - María Rostworowski, Peruvian historian (died 2016).^[1]
• December 8 - Bernard Fagg, English archaeologist working in Nigeria (died 1987).
• December 28 - Martyn Jope, British archaeologist and biochemist (died 1996).
• Michael J. O'Kelly, Irish archaeologist (died 1982).^[2]

• February 23 - Theodore M. Davis, American Egyptological excavation sponsor (born 1837).
• May 10 - Gaston Cros, French army officer and archaeologist, killed in action (born 1861).
• October 24 - Désiré Charnay, French archaeologist of Central America (born 1828).^[3]
• Sir Alfred Biliotti, Italian Levantine British consular officer and archaeologist (born 1833)