Boxing at the 1976 Summer Olympics – Light welterweight

The men's light welterweight event was part of the boxing programme at the 1976 Summer Olympics. The weight class allowed boxers of up to 63.5 kilograms to compete. The competition was held from 18 to 31 July 1976. 31 boxers from 31 nations competed.

Results
The following boxers took part in the event:

First round

 * Narong Boonfuang (THA) def. José Manuel Gómet (ESP), KO-1
 * Christian Sittler (AUT) def. Luis Godoy (COL), 4:1
 * Jesús Navas (VEN) def. Jones Okoth (UGA), walk-over
 * Ulrich Beyer (GDR) def. C.C. Machaiah (IND), 5:0
 * Francisco de Jesus (BRA) def. Girmaye Gabre (ETH), walk-over
 * Philip Mathenge (KEN) – Hamidou Yagho (BUR), both walk-over
 * Ismael Martínez (PUR) def. Siergot Sully (HAI), 5:0
 * Clinton McKenzie (GBR) def. Daniele Zappaterra (ITA), 5:0
 * Ray Leonard (USA) def. Ulf Carlsson (SWE), 5:0
 * Valeri Limasov (URS) def. Robert Colley (NZL), DSQ-3

Second round

 * Calistrat Cuțov (ROM) def. Jean-Claude Ruiz (FRA), 5:0
 * Jamsul Harahap (INA) def. Moro Tahiru (GHA), walk-over
 * Vladimir Kolev (BUL) def. Tai Shik-Park (KOR), 5:0
 * Ernst Müller (FRG) def. Karim Ibrahim (NIG), walk-over
 * Andrés Aldama (CUB) def. Sabahattin Bürçü (TUR), RSC-2
 * Jesus Sánchez (DOM) def. Mark Harris (GUY), walk-over
 * József Nagy (HUN) def. Obisia Nwakpa (NGA), walk-over
 * Chris Clarke (CAN) def. Lasse Friman (FIN), 5:0
 * Sodnomyn Gombo (MGL) def. Messan Langhan (TOG), walk-over
 * Kazimierz Szczerba (POL) def. Josiah Nhlengethwa (SUA), walk-over
 * Luis Portillo (ARG) def. Farouk Chanchoun (IRQ), walk-over
 * Christian Sittler (AUT) def. Narong Boonfuang (THA), KO-2
 * Ulrich Beyer (GDR) def. Jesús Navas (VEN), 5:0
 * Francisco de Jesus (BRA) – no opponent (bye)
 * Clinton McKenzie (GBR) def. Ismael Martínez (PUR), 3:2
 * Ray Leonard (USA) def. Valeri Limasov (URS), 5:0

Third round

 * Calistrat Cuțov (ROM) def. Jamsul Harahap (INA), 5:0
 * Vladimir Kolev (BUL) def. Ernst Müller (FRG), 5:0
 * Andrés Aldama (CUB) def. Jesus Sánchez (DOM), RSC-2
 * József Nagy (HUN) def. Chris Clarke (CAN), RSC-3
 * Kazimierz Szczerba (POL) def. Sodnomyn Gombo (MGL), 3:2
 * Luis Portillo (ARG) def. Christian Sittler (AUT), KO-2
 * Ulrich Beyer (GDR) def. Francisco de Jesus (BRA), 5:0
 * Ray Leonard (USA) def. Clinton McKenzie (GBR), 5:0

Quarterfinals

 * Vladimir Kolev (BUL) def. Calistrat Cuțov (ROM), 5:0
 * Andrés Aldama (CUB) def. József Nagy (HUN), AB-2
 * Kazimierz Szczerba (POL) def. Luis Portillo (ARG), 5:0
 * Ray Leonard (USA) def. Ulrich Beyer (GDR), 5:0

Semifinals

 * Andrés Aldama (CUB) def. Vladimir Kolev (BUL), KO-1
 * Ray Leonard (USA) def. Kazimierz Szczerba (POL), 5:0

Final

 * Ray Leonard (USA) def. Andrés Aldama (CUB), 5:0