| Last Name | First Name | M.I. | Rank | Service/Serial # | Branch | War/Conflict | Cemetery/Memorial | Entered From | Unit |
|---|---|---|---|---|---|---|---|---|---|
| Olesnevich | George | J. | Seaman Second Class | 3002967 | U.S. Navy | World War II | East Coast Memorial | Illinois | |
| Oliver | James | F. | Lieutenant | 0-106058 | U.S. Navy | World War II | East Coast Memorial | Kentucky | United States Naval Reserve |
| Oliverio | Anthony | Signalman Third Class | 5600561 | U.S. Navy | World War II | East Coast Memorial | West Virginia | United States Naval Reserve | |
| Olivieri | Paul | Seaman Apprentice | 6068350 | U.S. Navy | World War II | East Coast Memorial | Rhode Island | United States Naval Reserve | |
| Olmstead | Harlan | W. | Fire Controlman Second Class | 7260361 | U.S. Navy | World War II | East Coast Memorial | Illinois | United States Naval Reserve |
| Olson | Jerome | M. | Second Lieutenant | 0-732651 | U.S. Army Air Forces | World War II | East Coast Memorial | Wisconsin | Air Corps |
| Olson | Vernon | A. | Ship's Cook Second Class | 6209923 | U.S. Navy | World War II | East Coast Memorial | Iowa | United States Naval Reserve |
| Olszewski | Joseph | S. | Storekeeper Second Class | 234788 | U.S. Coast Guard | World War II | East Coast Memorial | Maryland | |
| Oniks | Charles | Chief Water Tender | 2149438 | U.S. Navy | World War II | East Coast Memorial | New York | ||
| Oppelt | John | T. | Seaman Second Class | 2242297 | U.S. Navy | World War II | East Coast Memorial | New York |