| Udell H. Stallings | |
| Birth Date: | 27 May 1899 |
| Birth Place: | Alhambra, Illinois, U.S. |
| Player Sport1: | Football |
| Player Years2: | 1918–1921 |
| Player Team2: | Oberlin |
| Player Positions: | Tackle |
| Coach Sport1: | Football |
| Coach Years2: | 1922–1923 |
| Coach Team2: | Oberlin |
| Coach Years3: | 1924 |
| Coach Team3: | Stevens |
| Coach Sport4: | Baseball |
| Coach Years5: | 1927–1928 |
| Coach Team5: | Stevens |
| Admin Years1: | 1936–1966 |
| Admin Team1: | Newark Academy |
| Overall Record: | 8–14 (baseball) |
Udell Harrison Stallings (May 27, 1899 – after March 1966) was an American college football and baseball player and coach. He served as the co-head football coach with Lawrence McPhee at Oberlin College from 1922 to 1923 and the head football coach at Stevens Institute of Technology in 1924.[1] He was also the head baseball coach at Stevens Tech from 1927 to 1928, tallying a mark of 8–14. Stallings was the athletic director at Newark Academy in Livingston, New Jersey from 1936 until his retirement in 1966.[2]
His sister was concert singer Louise Stallings.[3]