William W. Warner (born April 2, 1920) is an American biologist and writer. He was awarded the 1977 Pulitzer Prize for General Nonfiction for his 1976 book Beautiful Swimmers: Watermen, Crabs and the Chesapeake Bay, which is based on his experiences living and working among crab fishermen on the Chesapeake.
Works
- Beautiful Swimmers: Watermen, Crabs, and the Chesapeake Bay (1976)
- Distant Water: The Fate of the North Atlantic Fisherman (1983)
- Into the Porcupine Cave and Other Odysseys: Adventures of an Occasional Naturalist (1999, short stories)
- At Peace with All Their Neighbors: Catholics and Catholicism in the National Capital, 1787-1860 (1994)

