The men's welterweight event was part of the boxing programme at the 1956 Summer Olympics. The weight class was allowed boxers of up to 67 kilograms to compete. The competition was held from 24 November to 1 December 1956. 16 boxers from 16 nations competed.[1]
1904: 135–145 lb (61.2–65.8 kg) · 1920–1936: 135–147 lb (61.2–66.7 kg) · 1948: 62–67 kg · 1952–2000: 63.5–67 kg · 2004–2012: 64–69 kg · 2016: 65–69 kg · 2020–2024: 64–69 kg · 2024–: 64–71 kg