Current program
Men's
Flyweight
- 1904: up to 105 lb (47.6 kg)
- 1920–1936: up to 112 lb (50.8 kg)
- 1948–1964: up to 51 kg
- 1968–2008: 48–51 kg
- 2012–2020: 49–52 kg
- 2024–present: –51 kg
- Notes
- ^ The original silver medalist, Misha Aloyan of
Russia, was disqualified after testing positive for tuaminoheptane. [1]
Featherweight
- 1904: 115–125 lb (52.2–56.7 kg)
- 1908: 116–126 lb (52.6–57.2 kg)
- 1920–1928: 118–126 lb (53.5–57.2 kg)
- 1932–1936: 119–126 lb (54.0–57.2 kg)
- 1948: 54–58 kg
- 1952–2008: 54–57 kg
- 2020–present: 52–57 kg
Lightweight
- 1904: 125–135 lb (56.7–61.2 kg)
- 1908: 126–140 lb (57.2–63.5 kg)
- 1920–1936: 126–135 lb (57.2–61.2 kg)
- 1948: 58–62 kg
- 1952–2008: 57–60 kg
- 2012–2020: 56–60 kg
- 2024–present: 58–63.5 kg
Welterweight
- 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
- 2004–2020: 64–69 kg
- 2024–present: 64–71 kg
Middleweight
- 1904: 145–158 lb (65.8–71.7 kg)
- 1908: 140–158 lb (63.5–71.7 kg)
- 1920–1936: 147–160 lb (66.7–72.6 kg)
- 1948: 67–73 kg
- 1952–2000: 71–75 kg
- 2004–2020: 69–75 kg
- 2024–present: 72–80 kg
Heavyweight
- 1904–1908: over 158 lb (71.7 kg)
- 1920–1936: over 175 lb (79.4 kg)
- 1948: over 80 kg
- 1952–1980: over 81 kg
- 1984–present: 81–92 kg
Super heavyweight
- 1984–2020: over 91 kg
- 2024–present: over 92 kg
Women's
Flyweight
Bantamweight
| Games | Gold | Silver | Bronze |
|---|---|---|---|
| 2024 Paris | Chang Yuan  China | Hatice Akbaş  Turkey | Pang Chol-mi  North Korea Im Ae-ji  South Korea |
