 |
| Jefferson JACKSON | See Jackson Jefferson |
| Washington JACKSON | Battery E, 1st U.S. Colored Heavy Art. |
| William JACKSON | Co. G, 38th U.S. Colored Infantry |
| William JACKSON | Co. A, 10th Connecticut Infantry |
| Newal JANGROW | Co. H, 64th New York Infantry |
| Henry JAY | Co. I, 57th U.S. Colored Infantry |
| Jackson JEFFERSON | Co. B, 9th Missouri Cavalry |
| Newell JENGLE | See Newal Jangrow |
| Michael JENOS | See Michael Genan |
| Thomas JEWETT | Co. D, 5th Maine Infantry |
| Henry JOHNSON | Co. D, 52nd U.S. Colored Infantry |
| Joseph JOHNSON | See J. J. McNeally |
| Roger JOHNSON | Co. H, 6th U.S. Colored Heavy Art. |
| Thomas JOHNSON | Co. D, 2nd New Jersey Cavalry |
| William G. JOHNSON | Co. F, 21st Veteran Reserve Corps |
| William H. JOHNSTON | Co. D, 1st New York Cavalry |
| Albert JONES | Co. K, 3rd Maryland Infantry |
| Thomas JONES | Co. H, 10th Connecticut Infantry |
| William KANE | Co. A, 8th Maryland Infantry |
| William KEASE | Co. I, 116th U.S. Colored Infantry |
| Peter KEIFFE | Co. B, 2nd Arkansas Cavalry |
| James KELLEY | Unknown, 67th Pennsylvania Infantry |
| Lawson KEMP | Co. A, 55th U.S. Colored Infantry |
| John KENDALL | Co. G, 3rd New Hampshire Infantry |
| Robert KERR | Co. A, 1st California Cavalry |
| John KESSLER | Co. K, 103rd New York Infantry |
| Charles KING | Co. L, 3rd New Jersey Cavalry |
| Paul KINGSTON | Co. M, 1st Missouri Cavalry |
| Peter KLEINKOFF | Co. E, 4th California Infantry |
| Christopher KRUBERT | Co. B, 13th New Jersey Infantry |
| George KUHNE | Recruit, 118th Pennsylvania Infantry |
| Joseph KUHNES | Co. I, 2nd Maryland Infantry |
| Emile LAI | Recruit, 118th Pennsylvania Infantry
|
| William H. LAIRD | Co. G, 17th Maine Infantry |
| John LANAHAN | Co. I, 46th Pennsylvania Infantry |
| Michael LANAHAN | Co. A, 22nd U.S. Infantry |
| Michael LANDY | Co. A, 111th Connecticut Infantry |
| George LAYTON | Co. K, 14th Connecticut Infantry |
| Geacinto LERCHIZE | See John Folaney |
| John LEWIS | Co. E, 13th U.S. Colored Heavy Art. |
| Spencer LLOYD | Co. B, 55th Massachusetts Colored Inf. |
| Charles LOCKMAN | Co. F, 2nd Colorado Infantry |
| William LOGE | Unassigned |
| William W. LUNT | Co. I, 9th Maine Infantry |
| John LYNCH | Co. F, 5th New Hampshire Infantry |
| William LYNCH | Co. G, 2nd Massachusetts Infantry |
| William I. LYNCH | Co. B, 63rd New York Infantry |