|Full name||David McCagg|
|National team||United States|
|Born||Fort Myers Beach, Florida|
|College team||Auburn University|
McCagg was a student at Auburn University, where he swam for the Auburn Tigers swimming and diving team. He won three gold medals at the 1978 and 1982 world championships, and another three gold medals at the 1979 Pan American Games.
- List of Auburn University people
- List of World Aquatics Championships medalists in swimming (men)
- World record progression 4 × 100 metres freestyle relay