John O'Dell Morgan (February 14, 1900 – March 3, 1962) was an American football player and coach of football, basketball and baseball. He served as the head football coach at Texas Tech University from 1941 to 1950, compiling a record of 55–49–3. Morgan was also the head basketball coach at Texas Tech from 1931 to 1934, tallying a mark of 42–29.