Veterans beginning with the letter O
| Name | Branch | Conflict | County | Pillar | Panel |
|---|---|---|---|---|---|
| O’Neal, Norman E. | Army/Army Air Forces | World War II | Anderson | VI | Top |
| O’Shell, Don M. | Army | Vietnam | Roane | XXIV | Top |
| Odell Jr., William H. | Marine Corps | World War II | Hamilton | XI | Top |
| Offield, James M. | Army/Army Air Forces | World War II | Sullivan | XVIII | Top |
| Ogle, Arlie H. | Army | World War I | Sevier | V | Middle |
| Ogle, Samuel A. | Army | World War I | Sevier | V | Top |
| Ogle, Ray H. | Army/Army Air Forces | World War II | Bradley | VII | Top |
| Ogle, Claude L. | Army/Army Air Forces | World War II | Knox | VIII | Middle |
| Ogle, Carl A. | Navy | World War II | Sevier | XVII | Bottom |
| Ogle, James E. | Army/Army Air Forces | World War II | Sevier | XVIII | Top |
| Ogle, Johnny W. | Army | Vietnam | Unicoi | XXIV | Middle |
| Ogle, George A. | Army | World War I | Knox | IV | Top |
| Oglesby, Alexander A. | Navy | World War II | Knox | VIII | Middle |
| Ohls, William A. | Army | World War I | Hamilton | III | Middle |
| Oldham, Edward | Army/Army Air Forces | World War II | Rhea | XVI | Bottom |
| Olinger, Thurman H. | Army/Army Air Forces | World War II | Sullivan | XVIII | Top |
| Oliphant, J. David | Army/Army Air Forces | World War II | McMinn | XV | Middle |
| Oliver, Glen S. | Army/Army Air Forces | World War II | Sullivan | XVIII | Middle |
| Oliver, Bobby G. | Army | Vietnam | Knox | XXIII | Middle |
| Oliver, Michael P. | Army | Vietnam | Johnson | XXIII | Top |
