Veterans beginning with the letter O
| Name | Branch | Conflict | County | Pillar | Panel |
|---|---|---|---|---|---|
| Olinger, Thurman H. | Army/Army Air Forces | World War II | Sullivan | XVIII | Top |
| Ogle, Beecher B. | Army | World War II | Sevier | XVIII | Top |
| Orr, Charles D. | Marine Corps | Korean War | Blount | XX | Top |
| Owen, Albert C. | Marine Corps | Korean War | Knox | XXI | Top |
| Owens, Charles B. | Army | Korean War | Knox | XXI | Top |
| Osborne, Charles E. | Army | Korean War | Johnson | XXI | Top |
| Overbay, Charles M. | Army | Korean War | Sullivan | XXI | Bottom |
| Overbay, Jacob K. | Army | Korean War | Sullivan | XXI | Middle |
| Oakes, Arnold G. | Army | Vietnam | Bledsoe | XXII | Top |
| Oreto, Joseph A. | Army | Vietnam | Bledsoe | XXII | Top |
| Owens, Larry T. | Army | Vietnam | Fentress | XXII | Middle |
| Oliver, Bobby G. | Army | Vietnam | Knox | XXIII | Middle |
| Owen, Charles T. | Army | Vietnam | McMinn | XXIII | Bottom |
| Oliver, Michael P. | Army | Vietnam | Johnson | XXIII | Top |
| O’Shell, Don M. | Army | Vietnam | Roane | XXIV | Top |
| Ogle, Johnny W. | Army | Vietnam | Unicoi | XXIV | Middle |
