John Karl Hillers (1843, Hanover, Germany – 1925) was an American government photographer.
He worked as a teamster in Salt Lake City, when he met John Wesley Powell.
[4] Hillers was Powell's chief expedition photographer on the trip down the Grand Canyon the next year.
[6] Although he officially retired in 1900, he continued to take photographs for the United States Geological Survey until 1919.
[7] He was the photographer of the first James Stevenson expedition to the Southwest,[8] which brought Frank H. Cushing to Zuni.