Charles Brooke Worth (September 4, 1908 – December 22, 1984) was an American naturalist and virologist who worked as a professor at Swarthmore College, with the US Army during World War II, and then with the Rockefeller Foundation during the post-war period working on matters of public health and mosquito-borne diseases. He travelled around the world, including countries in Africa and Asia, and was the author of several books, including Manual of Tropical Medicine, A Naturalist in Trinidad, The Nature of Living Things, and Mosquito Safari: A Naturalist In Southern Africa, Of mosquitoes, moths, and mice.