| Name | Unit |
|---|---|
| OLSON, Gordon B. (KIA) | Company A, 1st Battalion, 15th Infantry Regiment, 3rd Infantry Division |
| OLSON, Halbert Edward (KIA) | Company A, 1st Battalion, 134th Infantry Regiment, 35th Infantry Division |
| OLSON, Henry Lawrence | P-47 Fighter Pilot; 396th Fighter Squadron, 368th Fighter Group, 9th Air Force |
| OLSON, John O. | Company L, 16th Infantry Regiment, First Division (Regular Army) |
| OLSON, Julius Bernhard (WIA) | Company E, 2nd Battalion, 136th Infantry Regiment, 33rd Infantry Division |
| OLSON, Mandel | Company A, 13th Machine Gun Battalion, 5th Division |
| OLSON, Roy Clarence | Company D, 19th Infantry |
| ONG, Donald Clay (WIA) | Company E, 2nd Battalion, 30th Infantry Regiment, 3rd Infantry Division |
| ONO, Frank H. | 100th Infantry Battalion (Separate), 442nd Infantry Regiment |
| ONO, Thomas Yoshimi | Company B, 100th Infantry Battalion (Separate), attached to the 34th Infantry Division |
| OOSTERBANN, Dick (WIA) | Company C, 15th Machine Gun Battalion, 5th Division |
| OPIE, Hierome L. (WIA) | 116th Infantry Regiment, 29th Division |
| OPPENHEIM, Arlie C. (WIA) | Company I, 28th Infantry Regiment, First Division (Regular Army) |
| OPPER, Leonard M. | Company I, 3rd Battalion, 507th Parachute Infantry Regiment, 17th Airborne Division |
| OQUENDO, Fruto James (KIA) | Company C, 2nd Battalion, 8th Cavalry, 1st Brigade, 1st Cavalry Division (Airmobile) |
| ORCUTT, Iver | Company E, 56th Infantry Regiment, 7th Division |
| ORD, Ralph Edward | Company C, 111th Infantry Regiment, 7th Division |
| ORIG, Bruno Raymond (KIA) | Company G, 2nd Battalion, 23rd Infantry Regiment, 2nd Infantry Division |
| ORNDORFF, Douglas A. (WIA) | Company I, 3rd Battalion, 116th Infantry Regiment, 29th Infantry Division |
| OROPEZA, Erik | 4th Battalion, 9th Infantry Regiment, 4th Brigade Combat Team, 2nd Infantry Division |
Description