Dimitris Konstantinou (also known as Dimitrios Constantin) was one of the earliest Greek photographers. His involvement with photography began in 1854 when he assisted James Robertson and Felix Beato during their visit to Greece. Konstantinou opened his own studio in 1858, specializing in photographs of ancient monuments for the tourist trade, and was the first photographer to work with the Hellenic Archaeological Society. He participated in various international exhibitions, receiving a silver medal at the first Olympia Exhibition in 1859 and a bronze medal at the 1867 Paris Exposition Universelle. Active until about 1875.