| Joseph Lightner | |
| Birth Date: | 25 July 1900 |
| Birth Place: | Marysville, Pennsylvania, U.S. |
| Death Place: | Middletown, Pennsylvania, U.S. |
| Player Sport1: | Football |
| Player Years2: | 1920–1921 |
| Player Team2: | Penn State |
| Player Years3: | 1922 |
| Player Team3: | Frankford Yellow Jackets |
| Player Sport4: | Baseball |
| Player Years5: | 1919–1922 |
| Player Team5: | Penn State |
| Player Years6: | 1923–1924 |
| Player Team6: | Reading Keystones |
| Player Years7: | 1926 |
| Player Team7: | Harrisburg Senators |
| Player Positions: | Halfback (football) Outfielder (baseball) |
| Coach Sport1: | Football |
| Coach Years2: | 1923–1925 |
| Coach Team2: | Dickinson |
| Overall Record: | 17–7–2 |
Joseph Keith Lightner (July 25, 1900 – June 6, 1988)[1] was an American football player and coach. He served as the 18th head football coach at Dickinson College in Carlisle, Pennsylvania and he held that position for three seasons, from 1923 until 1925.[2] His record at Dickinson was 17–7–2.[3] Lightner took over the second half of the 1923 season after B. Russell Murphy resigned with an 0–2 start.[4]
Lightner played football professionally in 1922 for the Frankford Yellow Jackets before the team joined the National Football League. He also played baseball professionally for the Reading team in the International League from 1921 (as "William Lightner") to 1925.[5]