John Randolph Neal, Jr. (September 17, 1876 – November 23, 1959) was an American attorney, law professor, politician, and activist, best known for his role as chief counsel during the 1925 Scopes Trial, and as an advocate for the establishment of the Tennessee Valley Authority in the 1920s and 1930s. He also taught law at the University of Denver and the University of Tennessee, and served in the Tennessee state legislature.