David McCoy
- Full Name: David McCoy
- Species: Human
- Gender: Male
- Son: Leonard McCoy
- By 2245: Physician (DS9 Short Story: "Old Souls")
- Death: After 2245 (DS9 Short Story: "Old Souls"; Star Trek V: The Final Frontier)
- Still alive by 2245 per "Old Souls"
- Euthanized on request due to suffering extreme pain from unnamed terminal illness (Star Trek V: The Final Frontier)