Veterans beginning with the letter O
| Name | Branch | Conflict | County | Pillar | Panel |
|---|---|---|---|---|---|
| Oakes, Arnold G. | Army | Vietnam | Bledsoe | XXII | Top |
| Ogle, Beecher B. | Army | World War II | Sevier | XVIII | Top |
| Oakes, Berlin G. | Army/Army Air Forces | World War II | Hamilton | X | Bottom |
| Owen, Charles T. | Army | Vietnam | McMinn | XXIII | Bottom |
| Owens, David C. | Army | World War I | Johnson | III | Bottom |
| Ott, David E. | Army | World War I | Blount | II | Top |
| Oliver, Earl | Army/Army Air Forces | World War II | Washington | XV | Bottom |
| Overbey, Evans E. | Army/Army Air Forces | World War II | Carter | XIII | Top |
| Owens, George D. | Army/Army Air Forces | World War II | Washington | XIX | Middle |
| Owens, Hobert | Army/Army Air Forces | World War II | Scott | XVII | Middle |
| Overbay, Jacob K. | Army | Korean War | Sullivan | XXI | Middle |
| Overbay, James J. | Navy | World War II | Sullivan | XVIII | Middle |
| O’Neal, James P. | Army/Army Air Forces | World War II | Bradley | VII | Top |
| Oody, James W. | Army/Army Air Forces | World War II | Loudon | XV | Top |
| O’Neil, Jess W. | Army/Army Air Forces | World War II | Cocke | VIII | Middle |
| Ottinger, John W. | Army/Army Air Forces | World War II | Cocke | VIII | Middle |
| Owens, Kenneth H. | Marine Corps | World War II | Blount | VI | Bottom |
| Owens, Larry T. | Army | Vietnam | Fentress | XXII | Middle |
| O'Daniel, Leon E. | Marine Corps | World War II | Hamilton | XII | Top |
| O’Neal, Ernest D. | Army/Army Air Forces | World War II | Hamilton | XI | Middle |
