Boxing at the 1956 Summer Olympics – Light welterweight

The men's light welterweight event was part of the boxing programme at the 1956 Summer Olympics. The weight class was allowed boxers of up to 63.5 kilograms to compete. The competition was held from 24 November to 1 December 1956. 22 boxers from 22 nations competed.

First round

 * Constantin Dumitrescu (ROU) def. Terrence Oung (BUR), PTS
 * Hans Pedersen (DEN) def. Carlos Rodríguez (VEN), PTS
 * Antonio Marcilla (ARG) def. Chune Pattapong (THA), RSC-1
 * Leopold Potesil (AUT) def. Celestino Pinto (BRA), PTS
 * Franco Nenci (ITA) def. Gul Rehmat (PAK), RSC-3
 * Willi Roth (FRG) def. Thomas Schuster (FIJ), PTS

Second round

 * Claude Saluden (FRA) def. Harry Perry (IRL), PTS
 * Vladimir Yengibaryan (URS) def. Leszek Drogosz (POL), PTS
 * Henry Loubscher (RSA) def. Leslie Mason (CAN), PTS
 * Joseph Shaw (USA) def. Max Carlos (AUS), PTS
 * Hwang Ui-gyeong (KOR) def. Manuel de los Santos (PHI), DSQ-2
 * Constantin Dumitrescu (ROU) def. Hans Pedersen (DEN), PTS
 * Antonio Marcilla (ARG) def. Leopold Potesil (AUT), PTS
 * Franco Nenci (ITA) def. Willi Roth (FRG), PTS

Quarterfinals

 * Vladimir Yengibaryan (URS) def. Claude Saluden (FRA), PTS
 * Henry Loubscher (RSA) def. Joseph Shaw (USA), PTS
 * Constantin Dumitrescu (ROU) def. Hwang Ei-Kyung (KOR), PTS
 * Franco Nenci (ITA) def. Antonio Marcilla (ARG), PTS

Semifinals

 * Vladimir Yengibaryan (URS) def. Henry Loubscher (RSA), PTS
 * Franco Nenci (ITA) def. Constantin Dumitrescu (ROU), PTS

Final

 * Vladimir Yengibaryan (URS) def. Franco Nenci (ITA), PTS