The following is a list of WBU world champions, a table showing the world champions certificated by the World Boxing Union (WBU), founded in the United States in 1995. This does not includes champions of the identically named German based organization that was active in the 2010s.
r - Champion relinquished title.
s - Champion stripped of title.
WBU heavyweight champions have included:[1] [2] [3]
| width=17% | Name | width=32% | Duration of reign | width=7% | Defenses | width=41% | Notes |
|---|---|---|---|---|---|---|---|
| align=left |  George Foreman | March 29, 1995 - 1997 | 2 | ||||
| align=left | Corrie Sanders | November 15, 1997 - May 20, 2000 | 3 | ||||
| align=left | Hasim Rahman | May 20, 2000 - April 21, 2001 | 0 | ||||
| align=left |  Johnny Nelson | November 24, 2001 - December 4, 2001 | 0 | ||||
| align=left |  Georgi Kandelaki | December 21, 2002 - January 2004 | 0 | ||||
| align=left | Matt Skelton | February 25, 2005 - January 26, 2009 | 0 | ||||
| width=17% | Name | width=32% | Duration of reign | width=7% | Defenses | width=41% | Notes |
|---|---|---|---|---|---|---|---|
| align=left | Thomas Hearns | March 31 1995 - 1996 | 0 | Won vacant title | |||
| align=left | James Toney | February 22 1997 - 1997 | 0 | Won vacant title | |||
| align=left | Don Diego Poeder | June 14 1997 - 1997 | 1 | Won vacant title | |||
| Jacob Mofokeng | September 12 1998 - 1999 | 0 | Won vacant title | ||||
 Vincenzo Cantatore | March 20 1999 - March 1999 | 0 | Won vacant title | ||||
| Rob Norton | April 1 1999 - 24 September 1999 | 0 | Won vacant title | ||||
| Sebastiaan Rothmann | 24 September 1999 - 2003 | 6 | |||||
| Enzo Maccarinelli | 28 June 2003 - 2006 | 7 | Won vacant title | ||||
| Mark Hobson | 8 September 2006 - 2009 | 0 | Won vacant title |
| width=17% | Name | width=32% | Duration of reign | width=7% | Defenses | width=41% | Notes |
|---|---|---|---|---|---|---|---|
| align=left | James Toney | June 18 1995 - 6 December 1996 | 3 | Won vacant title | |||
| align=left | Montell Griffin | 6 December 1996 - 1997 | 0 | ||||
| align=left | Frank Tate | 30 August 1997 - ? | 0 | Won vacant title | |||
| align=left |  Dario Walter Matteoni | 2 March 2000 - ? | 0 | Won vacant title | |||
| align=left | Tony Oakey | 4 March 2002 - 11 October 2003 | 3 | Won vacant title | |||
| align=left | Matthew Barney | 11 October 2003 - ? | 0 |
| width=17% | Name | width=32% | Duration of reign | width=7% | Defenses | width=41% | Notes |
|---|---|---|---|---|---|---|---|
| align=left | Thomas Tate | 21 November 1995 - 1996 | 0 | Won vacant title | |||
| align=left | Vinny Pazienza | 23 August 1996 - 1998 | 0 | Won vacant title | |||
| align=left | Norbert Nieroba | 18 April 1998 - 8 May 1999 | 0 | Won vacant title | |||
| align=left | Nordin Ben Salah | 8 May 1999 - 2000 | 0 | ||||
| align=left | Silvio Branco | 15 April 2000 - ? | 1 | Won vacant title | |||
| align=left | Eric Teymour | 24 November 2004 - ? | 0 | Won vacant title |
| width=17% | Name | width=32% | Duration of reign | width=7% | Defenses | width=41% | Notes |
|---|---|---|---|---|---|---|---|
| align=left | Dana Rosenblatt | 13 April 1996 - 1996 | 0 | Won vacant title | |||
| align=left | Silvio Branco | 19 September 1996 - 18 December 1998 | 6 | ||||
| align=left | Agostino Cardemone | 18 December 1998 - 26 June 1999 | 1 | ||||
| align=left | Raymond Joval | 26 June 1999 - 13 December 1999 | 0 | ||||
| align=left | Antonio Perugino | 13 December 1999 - 2000 | 0 | ||||
| align=left |  Kevin Kelly | 5 May 2000 - 2000 | 0 | Won vacant title | |||
| align=left | Antonio Perugino | 3 June 2000 - ? | 0 | Won vacant title | |||
| align=left | Ruben Groenewald | 6 June 2002 - 28 September 2002 | 0 | Won vacant title | |||
| align=left | Anthony Farnell | 28 September 2002 - 5 April 2003 | 1 | ||||
| align=left | Wayne Ellcock | 5 April 2003 - 29 November 2003 | 0 | ||||
| align=left | Lawrence Murphy | 29 November 2003 - 6 March 2004 | 0 | ||||
| align=left | Anthony Farnell | 6 March 2004 - 12 June 2004 | 0 | ||||
| align=left | Eugenio Monteiro | 12 June 2004 - ? | 0 | ||||
| align=left | Gary Lockett | 11 March 2006 - ? | 2 |
| width=17% | Name | width=32% | Duration of reign | width=7% | Defenses | width=41% | Notes |
|---|---|---|---|---|---|---|---|
| align=left | Emmett Linton | 3 November - 1996 | 1 | Won vacant title | |||
| align=left | Verno Phillips | 21 May 1997 - 1998 | 2 | Won vacant title | |||
| align=left | Rashid Matumla | 19 December 1998 - ? | 1 | Won vacant title | |||
| align=left | Takaloo | 7 July 2001 - 17 August 2002 | 2 | Won vacant title | |||
| align=left | Daniel Santos | 17 August 2002 - 2002 | 0 | ||||
| align=left | Takaloo | 2 January 2003 - 10 September 2004 | 1 | Won vacant title | |||
| align=left | Wayne Alexander | 10 September 2004 - December 2006 | 1 |
| width=17% | Name | width=32% | Duration of reign | width=7% | Defenses | width=41% | Notes |
|---|---|---|---|---|---|---|---|
| align=left | Gary Murray | 26 August 1995 - 26 October 1996 | 4 | Won vacant title | |||
| align=left | Alessandro Duran | 26 October 1996 - 30 July 1997 | 1 | ||||
| align=left | Peter Malinga | 30 July 1997 - 17 November 1997 | 0 | ||||
| align=left | Alessandro Duran | 17 November 1997 - 5 May 1998 | 0 | ||||
| align=left | Michele Piccirillo | 5 May 1998 - 2001 | 8 | ||||
| align=left | Jan Piet Bergman | 2 June 2001 - 2003 | 3 | Won Vacant Title | |||
| align=left |  Eamonn Magee | 6 October 2003 - 20 May 2006 | 1 | Won Vacant Title | |||
| align=left | Takaloo | 20 May 2006 - 7 April 2007 | 0 | ||||