| Uditsky, Andrew Peter | 19-10-1920 | 05-05-1943 | |
| Uejo, James K. | 06-12-1917 | 29-10-1944 | |
| Uherko, Frank | | | |
| Uhler, Emile | 00-00-1922 | 21-04-1945 | |
| Uhlman III, William F. | | | |
| Uitdenbogerd, Cornelis Johannes Theodorus "Niels" | 28-07-1913 | 22-02-1944 | |
| Uknown | | | |
| Ulanowicz, Emil | 17-09-1917 | 01-02-2004 | |
| Ulfeng, Milton J. | 29-06-1926 | 26-02-1945 | |
| Ullrich, Melvin C. | 26-05-1921 | 26-12-1944 | |
| Ulrich, Alfred G. | | | |
| Umberger, Eugene Rufus | 00-00-1910 | 01-01-1945 | |
| Umfleet, Donald, E. | | | |
| Uncles, John Francis | 18-09-1898 | 20-01-1967 | |
| Underhill, Samuel Jackson | | | |
| Underwood, Donald E. | | 21-01-1944 | |
| Underwood, Earl E. | | | |
| Underwood, Gordon Waite | 03-06-1910 | 15-01-1978 | |
| Underwood, Jay C. | | | |
| Unger Jr., Frank A. | 05-05-1922 | | |
| Unger, Frederick W. (US Army) | | | |
| Unger, Irwin Morton (US Army) | 13-09-1925 | 17-04-1945 | |
| Unger, Walter Alma | 00-00-1915 | 09-06-1961 | |
| Unger, William Thomas Senior (USMC) | 22-08-1921 | 17-12-2015 | |
| Unknown Soldier Korean War | | | |
| Unknown Soldier Vietnam War | | | |
| Unknown Soldier World War I | | | |
| Unknown Soldier World War II | | | |
| Unrein, Gerard A. | | | |
| Untinen, Carl J. | 22-04-1915 | 19-11-1942 | |
| Upchurch, Pinckney D. | | | |
| Updegraff, William N. | 11-01-1897 | | |
| Upham, John Southworth, Jr. | | 08-10-1993 | |
| Uphoff, Charles F. | 00-00-1918 | 07-11-1942 | |
| Upright, Jesse P. | | | |
| Upson, Richard | | | |
| Urabe, Howard M. | 16-03-1923 | 04-07-1944 | |
| Urban, Marion W. | | | |
| Urban, Matthew Louis (Urbanowicz) | 25-08-1919 | 04-03-1995 | more |
| Urishko, Michael C. | | | |
| Urling, Richard H. | 29-10-1920 | 27-06-1990 | |
| Urquiza, Benito G. | | | |
| Utinsky, Margaret Elizabeth "Miss U." | 26-08-1900 | 30-08-1970 | |
| Utke, Raymond R. | | | |
| Utter, Harmon Tischer | | | |