66.United States National Championships
Boston Garden, Boston
April 9-11, 1956
results incomplete
Quarterfinals (incomplete)
| 1956-04-10 | 51kg | Charles Branch | Dennis Boyer | PTS |
| 1956-04-10 | 57kg | Jim Pettaway | Bill Vereecken | PTS |
| 1956-04-10 | 60kg | Joe Parks | Jay Fullmer | PTS |
| 1956-04-10 | 60kg | Eddie Lee | Warren Higa | TKO 2 |
| 1956-04-10 | 63,5kg | Tommy Thomas | William Scott | PTS |
| 1956-04-10 | 63,5kg | John Granger | Jim McCoy | PTS |
| 1956-04-10 | 67kg | Denny Moyer | Jim Williams | KO 3 |
| 1956-04-10 | 71kg | Phil Moyer | John Powell | PTS |
| 1956-04-10 | 71kg | Richard Hall | Guy Leconte | TKO 3 |
| 1956-04-10 | 75kg | Paul Wright | Leroy Simmons | PTS |
| 1956-04-10 | 81kg | John Horne | Alonzo Johnson | PTS |
| 1956-04-10 | +81kg | Jim McCarter | Herman McNeil | WO. |
| 1956-04-10 | +81kg | Osee Groom | Joe Hemphill | PTS |
Semifinals (incomplete)
| 1956-04-11 | 51kg | Charles Branch | Dale Morgan | PTS |
| 1956-04-10 | 54kg | Louis Johnson | Henry Britton | PTS |
| 1956-04-10 | 54kg | Don Whaley | Byron Brownlee | TKO 2 |
| 1956-04-11 | 57kg | Marvin McFarland | Thomas Nethercott | PTS |
| 1956-04-11 | 60kg | Joe Parks | Joe Charles | PTS |
| 1956-04-11 | 60kg | Bill Cherry | Eddie Lee | PTS |
| 1956-04-11 | 67kg | Jackson Brown | Joseph Bethea | PTS |
| 1956-04-11 | 71kg | Frank Davis | Richard Hall | PTS |
| 1956-04-11 | 71kg | Wilbert McClure | Phil Moyer | PTS |
| 1956-04-11 | 75kg | Paul Wright | Douglas Jones | PTS |
| 1956-04-11 | 81kg | John Horne | Leslie Smith | PTS |
| 1956-04-11 | +81kg | Osee Groom | Roscoe Gatewood | PTS |
| 1956-04-11 | +81kg | Jim McCarter | Shelly Finch | PTS |
Finals
| 1956-04-11 | 51kg | Albert Pell | Charles Branch | PTS |
| 1956-04-11 | 54kg | Don Whaley | Louis Johnson | KO 2 |
| 1956-04-11 | 57kg | Harry Smith | Marvin McFarland | KO 2 |
| 1956-04-11 | 60kg | Bill Cherry | Joe Parks | PTS |
| 1956-04-11 | 63,5kg | Tommy Thomas | Cecil Shorts | PTS |
| 1956-04-11 | 67kg | Jackson Brown | Denny Moyer | PTS |
| 1956-04-11 | 71kg | Frank Davis | Wilbert McClure | PTS |
| 1956-04-11 | 75kg | Paul Wright | Sixto Rodriguez | TKO 2 |
| 1956-04-11 | 81kg | John Horne | Rudolph Williams | PTS |
| 1956-04-11 | +81kg | Jim McCarter | Osee Groom | WO. |
sources: "Courier-Post " - April 12, 1956