Harvey Nual "Rusty" Russell (December 4, 1895 – December 21, 1983) was an American football coach at the high school, junior college, and college level in the state of Texas. He served as the head football coach at Southern Methodist University (SMU) from 1950 to 1952 and Howard Payne University from 1962 to 1963, compiling career college football coaching record of 17–30–3. Russell was also head football coach at an orphanage in Fort Worth, Texas, the Masonic Home and School, from 1929 to 1941. He co-authored the American Football Coaches Association (AFCA) Code of Ethics in 1952 along with fellow coaches William D. Murray, Lloyd Jordan, and Bud Wilkinson. He is known for developing the spread offense.