| Achenbach | John C | | PVT | Army - Selectees | | WWII | | Allen Co. | | NARA - Electronic Army Serial Number Merged File, ca. 1938 - 1946 |
| Achleman | Lawrence E. | | PVT | National Army | S.A.T.C., Valparaiso University | WWI | | | | Taylor, Mrs. Samuel. History of Allen County in the World War, Vol. 2 |
| Achleman | William R | | PVT | Regular Army | | WWII | | Allen Co. | | NARA - Electronic Army Serial Number Merged File, ca. 1938 - 1946 |
| Acker | Randolph W | | PVT | Army - Selectees | | WWII | | Allen Co. | | NARA - Electronic Army Serial Number Merged File, ca. 1938 - 1946 |
| Ackerman | Hershel D. | | 1LT | Army Air Service | Air Service Depot, Garden City, L. I. | WWI | | | | Taylor, Mrs. Samuel. History of Allen County in the World War, Vol. 2 |
| Ackerman | John R | | PVT | Army - Selectees | | WWII | | Allen Co. | | NARA - Electronic Army Serial Number Merged File, ca. 1938 - 1946 |
| Ackermann | Arthur E | | PVT | Army - Selectees | | WWII | | Allen Co. | | NARA - Electronic Army Serial Number Merged File, ca. 1938 - 1946 |
| Ackermann | Eugen A | | PVT | Army - Selectees | | WWII | | Allen Co. | | NARA - Electronic Army Serial Number Merged File, ca. 1938 - 1946 |
| Acks | Byron A | | PVT | Army - Selectees | | WWII | | Allen Co. | | NARA - Electronic Army Serial Number Merged File, ca. 1938 - 1946 |
| Acoff | Thomas Long | | | | | WWI | | Fort Wayne | | Taylor, Mrs. Samuel. History of Allen County in the World War, Vol. 2 |