Charles Casey Finnegan (March 28, 1890 – December 28, 1958) was an American football coach. He served as the head football coach at North Dakota Agricultural College—now known as North Dakota State University—from 1928 to 1940, compiling a career college football record of 57–48–11. In 1928, Finnegan co-coached with Stanley Borleske, who had previously coached at North Dakota Agricultural from 1919 to 1921 and again from 1923 to 1924.