Asahel Curtis (1874–1941) was a photographer based in the Pacific Northwest region of the United States. His career included documentation of the Klondike Gold Rush period in Seattle, natural landscapes in the Northwest, and infrastructure projects in Seattle.
Asahel Curtis was born in 1874 in Minnesota to Johnson Asahel Curtis (1840–1887) and Ellen Sheriff (1844–1912). Johnson Curtis was a clergyman and American Civil War veteran who was born in Ohio to a father born in Canada and mother from Vermont. Ellen Sheriff was born in New York City, and both of her parents were born in England. Asahel’s siblings were Raphael Curtis (1862–c1885) aka Ray Curtis; Eva Curtis (10 May 1870 Whittaker, WI-1967, Tacoma Co, WA); and Edward Sheriff Curtis (1868–1952), a photographer and ethnologist.