Atherton M. Curtis (April 3, 1863 - October 8, 1943) was an American art collector and a writer from Brooklyn, New York City, who settled permanently in Paris in 1903. He was also an author of introduction, art historian and publisher, who donated numerous archaeological items to the Louvre and other museums. He was also a principal benefactor of the Humane Society, and is recorded as being a strong supporter for the abolition of vivisection.