Lightweight
Lightweight is a weight class in combat sports and rowing.
Boxing
Professional boxing
The lightweight division is over 130 pounds and up to 135 pounds weight class in the sport of boxing.Notable lightweight boxers include Henry Armstrong, Ken Buchanan, Tony Canzoneri, Pedro Carrasco, Joel Casamayor, Al "Bummy" Davis, Oscar De La Hoya, Roberto Durán, Joe Gans, Artur Grigorian, Benny Leonard, Ray Mancini, Floyd Mayweather Jr., Juan Manuel Marquez, Sugar Shane Mosley, Miguel Ángel González, Carlos Ortiz, Katie Taylor, Edwin Valero, Pernell Whitaker, Manny Pacquiao, and Ike Williams.
Current world champions
| Sanctioning body | Reign began | Champion | Record | Defenses | Beaten opponents |
| WBA | May 12, 2018 |  Vasyl Lomachenko | 14–1 | 3 | 3 |
| WBC | October 23, 2019 |  Devin Haney | 24–0 | 1 | 1 |
| IBF | December 14, 2019 | Teófimo López | 15–0 | 0 | 0 |
| WBO | December 8, 2018 | Vasyl Lomachenko | 14–1 | 2 | 2 |
Current ''The Ring'' world rankings
As of ,.Keys:
| Rank | Name | Record | Title |
| C | Vasyl Lomachenko | 14–1 | WBA, WBO |
| 1 | Teófimo López | 15–0 | IBF |
| 2 | Devin Haney | 24–0 | WBC |
| 3 |  Richard Commey | 29–3 | |
| 4 |  Luke Campbell | 20–3 | |
| 5 | Ryan García | 20–0 | |
| 6 | Robert Easter Jr. | 22–1–1 | |
| 7 |  Javier Fortuna | 35–2–1 | |
| 8 |  Jorge Linares | 47–5 | |
| 9 | Emmanuel Tagoe | 31–1 | |
| 10 |  Rances Barthelemy | 27–1 |
Longest reigning world lightweight champions
Below is a list of "longest reigning lightweight champions" career time as champion does not apply.| Name | Title Reign | Title recognition | Successful defenses | Beaten opponents | Fights | |
| 1. | Benny Leonard | 7 years, 7 months, 17 days | World | 6 | 6 | |
| 2. |  Artur Grigorian | 7 years, 6 months, 20 days | WBO | 17 | 17 | |
| 3. |  Jack McAuliffe | 6 years, 7 months, 12 days | World | 7 | 6 | |
| 4. |  Roberto Durán | 6 years, 7 months, 5 days | WBA | 12 | 11 | |
| 5. | Ike Williams | 6 years, 1 month, 7 days | World | 8 | 6 | |
| 6. | Joe Gans | 6 years, 27 days | World | 14 | 13 | |
| 7. | Joe Brown | 5 years, 7 months, 27 days | World | 11 | 10 | |
| 8. |  Miguel Vazquez | 4 years, 29 days | IBF | 6 | 6 | |
| 9. | Sammy Mandell | 4 years, 14 days | NBA | 4 | 4 | |
| 10. | Paul Spadafora | 3 years, 10 months | IBF | 8 | 8 |
Amateur boxing
Olympic Champions
- 1904 –
- 1908 –
- 1920 –
- 1924 –
- 1928 –
- 1952 –
- 1956 –
- 1960 –
- 1964 –
- 1968 –
- 1972 –
- 1976 –
- 1980 –
- 1984 –
- 1988 –
- 1992 –
- 1996 –
- 2000 –
- 2004 –
- 2008 –
- 2012 –
- 2016 –
Pan American Champions
- 1951 – Oscar Gallardo
- 1955 – Miguel Ángel Péndola
- 1959 – Abel Laudonio
- 1963 – Roberto Caminero
- 1967 – Enrique Regueiferos
- 1971 – Luis Dávila
- 1975 – Chris Clarke
- 1979 – Adolfo Horta
- 1983 – Pernell Whitaker
- 1987 – Julio Gonzáles
- 1991 – Julio Gonzáles
- 1995 – Julio Gonzáles
- 1999 – Mario César Kindelán Mesa
- 2003 – Mario César Kindelán Mesa
- 2007 – Yordenis Ugás
- 2011 – Yasniel Toledo
Kickboxing
Women's divisions also use this weight class, but usually at a lower weight than the men's divisions.
In Glory promotion, a lightweight division is up to 70 kg.
Mixed martial arts
In MMA, the lightweight division is from 146 lb to 155 lb.Rowing
was a category entered into the Olympic sport, originally due to countries of smaller stature competing with an unfair disadvantage, as rowing favors the taller athlete who has more leverage.Current Olympic class lightweight events in rowing are a men's lightweight Double Scull, and a women's lightweight Double Scull.