Dan Arnold Killian (February 5, 1880 – January 15, 1953) was an American football and baseball coach. He served as the head football coach at Louisiana State University (LSU) from 1904 to 1906, compiling a record of 8–6–2. Killian was also the head coach of the LSU baseball team from 1905 to 1906 (tallying a mark of 14–9), as well as head coach of the LSU Tigers track and field team from 1905 to 1906. He also served as athletic director. In 1906 he left coaching "to do sporting work for a newspaper" in Chicago. He died in Lansing, Michigan in 1953.