James Chester Bradley

James Chester Bradley (1884, West Chester, PA - 1975, Ithaca, NY) an American entomologist who specialised in Hymenoptera.

He graduated from Cornell University (A.B. 1906, Ph.D. 1910) and the University of California (M.S. 1907). He was an assistant professor of entomology at Cornell from 1911–1920, and professor and curator of invertebrate zoology from 1920-1952.

James Chester Bradley wrote very many entomological papers. He is especially known for his works on Evaniidae and Scoliidae.