The current boxing champions, as of May 21, 2014, in each weight class are listed below. Each champion’s professional boxing record is shown in the following format: wins–losses–draws–no contests (knockout wins).
Heavyweight (200+ lb, 90.7+ kg)
| WBA | WBC | IBF | WBO | The Ring |
Wladimir Klitschko Super champion  Ukraine 62–3–0–0 (52) July 2, 2011 |
Bermane Stiverne  Canada 24–1–1–0 (21) May 10, 2014 |
Wladimir Klitschko Ukraine 62–3–0–0 (52) April 22, 2006 |
Wladimir Klitschko Super champion Ukraine 62–3–0–0 (52) February 23, 2008 |
Wladimir Klitschko Ukraine 62–3–0–0 (52) June 20, 2009 |
| vacant |
Cruiserweight (200 lb, 90.7 kg)
| WBA | WBC | IBF | WBO | The Ring |
Denis Lebedev  Russia 25–2–0–0 (19) October 30, 2012 |
Krzysztof Włodarczyk  Poland 49–2–1–0 (35) May 15, 2010 |
Yoan Pablo Hernández  Cuba 28–1–0–0 (14) October 1, 2011 |
Marco Huck  Germany 37–2–1–0 (26) August 29, 2009 |
Yoan Pablo Hernández Cuba 28–1–0–0 (14) February 4, 2012 |
Guillermo Jones In recess  Panama 39–3–2–0 (31) October 30, 2012 |
Light heavyweight (175 lb, 79.4 kg)
| WBA | WBC | IBF | WBO | The Ring |
Bernard Hopkins Unified champion  United States 55–6–2–2 (32) April 19, 2014 |
Adonis Stevenson Canada 23–1–0–0 (20) June 8, 2013 |
Bernard Hopkins United States 55–6–2–2 (32) March 9, 2013 |
Sergey Kovalev Russia 24–0–1–0 (22) August 17, 2013 |
Adonis Stevenson Canada 23–1–0–0 (20) June 8, 2013 |
| Jürgen Brähmer Germany 43–2–0–0 (32) December 14, 2013 |
Super middleweight (168 lb, 76.2 kg)
| WBA | WBC | IBF | WBO | The Ring |
| Andre Ward Super champion United States 27–0–0–0 (14) November 21, 2009 |
Sakio Bika  Australia 32–5–3–0 (21) June 22, 2013 |
Carl Froch  United Kingdom 32–2–0–0 (23) May 26, 2012 |
Arthur Abraham Germany 40–4–0–0 (28) March 1, 2014 |
Andre Ward United States 27–0–0–0 (14) December 17, 2011 |
| Carl Froch Unified champion United Kingdom 32–2–0–0 (23) May 25, 2013 |
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| Stanyslav Kashtanov Interim champion Ukraine 31–1–0–0 (17) November 10, 2012 |
Middleweight (160 lb, 72.6 kg)
| WBA | WBC | IBF | WBO | The Ring |
Gennady Golovkin  Kazakhstan 29–0–0–0 (26) October 14, 2010 |
Sergio Martínez  Argentina 51–2–2–0 (28) September 15, 2012 |
Felix Sturm Germany 39–3–2–1 (18) December 7, 2013 |
Peter Quillin United States 31–0–0–0 (22) October 20, 2012 |
Sergio Martínez Argentina 51–2–2–0 (28) April 17, 2010 |
| Dmitry Chudinov Interim champion Russia 12–0–2–0 (8) December 21, 2013 |
Marco Antonio Rubio Interim champion  Mexico 59–6–1–0 (51) April 5, 2014 |
Super welterweight, Junior middleweight (154 lb, 69.9 kg)
| WBA | WBC | IBF | WBO | The Ring |
| Floyd Mayweather, Jr. Super champion United States 46–0–0–0 (26) May 5, 2012 |
Floyd Mayweather, Jr. United States 46–0–0–0 (26) September 14, 2013 |
Carlos Amado Molina Mexico 22–5–2–0 (6) September 14, 2013 |
Demetrius Andrade United States 20–0–0–0 (13) November 9, 2013 |
Floyd Mayweather, Jr. United States 46–0–0–0 (26) September 14, 2013 |
| Erislandy Lara Cuba 19–1–2–0 (12) March 8, 2014 |
Welterweight (147 lb, 66.7 kg)
| WBA | WBC | IBF | WBO | The Ring |
| Floyd Mayweather, Jr. Unified champion United States 46–0–0–0 (26) May 3, 2014 |
Floyd Mayweather, Jr. United States 46–0–0–0 (26) September 17, 2011 |
Shawn Porter United States 24–0–1–0 (15) December 7, 2013 |
Manny Pacquiao Super champion  Philippines 56–5–2–0 (38) April 12, 2014 |
Floyd Mayweather, Jr. United States 46–0–0–0 (26) May 4, 2013 |
| Keith Thurman Interim champion United States 23–0–0–1 (21) July 27, 2013 |
Super lightweight, Junior welterweight (140 lb, 63.5 kg)
| WBA | WBC | IBF | WBO | The Ring |
| Danny García Super champion United States 28–0–0–0 (16) July 14, 2012 |
Danny García United States 28–0–0–0 (16) March 24, 2012 |
Lamont Peterson United States 32–2–1–0 (16) December 10, 2011 |
Ruslan Provodnikov Russia 23–2–0–0 (16) October 19, 2013 |
Danny García United States 28–0–0–0 (16) July 14, 2012 |
| Jessie Vargas United States 24–0–0–0 (9) April 12, 2014 |
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Johan Pérez Interim champion  Venezuela 19–1–1–1 (13) November 28, 2013 |
Lightweight (135 lb, 61.2 kg)
| WBA | WBC | IBF | WBO | The Ring |
| Richar Abril Cuba 18–3–1–0 (8) February 26, 2013 |
Omar Figueroa United States 23–0–1–0 (17) January 24, 2014 |
Miguel Vázquez Mexico 34–3–0–0 (13) August 14, 2010 |
Terence Crawford United States 23–0–0–0 (16) March 1, 2014 |
vacant |
| Yuriorkis Gamboa Interim champion Cuba 23–0–0–0 (16) June 8, 2013 |
Super featherweight, Junior lightweight (130 lb, 59 kg)
| WBA | WBC | IBF | WBO | The Ring |
Takashi Uchiyama  Japan 21–0–1–0 (17) January 11, 2010 |
Takashi Miura Japan 27–2–2–0 (20) April 8, 2013 |
Argenis Méndez  Dominican Republic 21–2–1–1 (11) March 9, 2013 |
Mikey García United States 34–0–0–0 (28) November 9, 2013 |
vacant |
Bryan Vásquez Interim champion  Costa Rica 33–1–0–0 (17) October 26, 2013 |
Featherweight (126 lb, 57.2 kg)
| WBA | WBC | IBF | WBO | The Ring |
Simpiwe Vetyeka Undisputed champion  South Africa 26–2–0–0 (16) December 6, 2013 |
Jhonny González Mexico 55–8–0–0 (47) August 24, 2013 |
Evgeny Gradovich Russia 18–0–0–0 (9) March 1, 2013 |
vacant | vacant |
Nicholas Walters  Jamaica 23–0–0–0 (19) December 8, 2012 |
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| Jesús Marcelo Andrés Cuellar Interim champion Argentina 24–1–0–0 (18) August 23, 2013 |
Super bantamweight, Junior featherweight (122 lb, 55.3 kg)
| WBA | WBC | IBF | WBO | The Ring |
| Guillermo Rigondeaux Unified champion Cuba 13–0–0–0 (8) April 13, 2013 |
Leo Santa Cruz Mexico 27–0–1–0 (15) August 24, 2013 |
Kiko Martínez  Spain 31–4–0–0 (23) August 17, 2013 |
Guillermo Rigondeaux Cuba 13–0–0–0 (8) April 13, 2013 |
|
| Scott Quigg United Kingdom 28–0–2–0 (21) September 5, 2013 |
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| Nehomar Cermeño Interim champion Venezuela 22–5–1–0 (13) August 10, 2013 |
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Bantamweight (118 lb, 53.5 kg)
| WBA | WBC | IBF | WBO | The Ring |
| Anselmo Moreno Super champion Panama 35–2–1–0 (12) November 16, 2010 |
Shinsuke Yamanaka Japan 21–0–2–0 (16) November 6, 2011 |
Stuart Hall United Kingdom 16–2–2–0 (7) December 21, 2013 |
Tomoki Kameda Japan 29–0–0–0 (18) August 1, 2013 |
vacant |
Super flyweight, Junior bantamweight (115 lb, 52.2 kg)
| WBA | WBC | IBF | WBO | The Ring |
| Kohei Kono Japan 30–8–0–0 (13) March 26, 2014 |
Srisaket Sor Rungvisai  Thailand 27–3–1–0 (25) May 3, 2013 |
vacant | Omar Andrés Narváez Super champion Argentina 42–1–2–0 (23) May 15, 2010 |
vacant |
Flyweight (112 lb, 50.8 kg)
| WBA | WBC | IBF | WBO | The Ring |
| Juan Francisco Estrada Unified champion Mexico 26–2–0–0 (19) April 6, 2013 |
Akira Yaegashi Japan 20–3–0–0 (10) April 8, 2013 |
Amnat Ruenroeng Thailand 13–0–0–0 (5) January 22, 2014 |
Juan Francisco Estrada Mexico 26–2–0–0 (19) April 6, 2013 |
Akira Yaegashi Japan 20–3–0–0 (10) April 8, 2013 |
| Juan Carlos Reveco Argentina 33–1–0–0 (18) December 4, 2012 |
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| Yodmongkol Vor Saengthep Interim champion Thailand 34–2–0–0 (20) November 29, 2013 |
Light flyweight, Junior flyweight (108 lb, 49 kg)
| WBA | WBC | IBF | WBO | The Ring |
| vacant | Naoya Inoue Japan 6–0–0–0 (5) April 6, 2014 |
vacant | Donnie Nietes Philippines 33–1–4–0 (19) October 8, 2011 |
Donnie Nietes Philippines 33–1–4–0 (19) May 10, 2014 |
Alberto Rossel Interim champion  Peru 32–8–0–1 (13) April 14, 2012 |
Minimumweight, Strawweight, (105 lb, 47.6 kg)
| WBA | WBC | IBF | WBO | The Ring |
| Hekkie Budler South Africa 25–1–0–0 (8) March 1, 2014 |
Oswaldo Novoa Mexico 13–4–1–0 (8) February 5, 2014 |
Katsunari Takayama Japan 27–6–0–1 (10) March 30, 2013 |
Francisco Rodriguez, Jr. Mexico 14–2–0–0 (10) March 22, 2014 |
vacant |