 Details | UFC 307 | 2024 | Alex PEREIRA | | TKO–4 | Khalil ROUNTREE JR. | | 5 Oct | |
| Details | UFC 303 | 2024 | Alex PEREIRA | | TKO–2 | Jiří PROCHÁZKA | | 29 Jun | |
| Details | UFC 300 | 2024 | Alex PEREIRA | | KO–1 | Jamahal HILL | | 13 Apr | |
| Details | UFC 295 | 2023 | Alex PEREIRA | | TKO–2 | Jiří PROCHÁZKA | | 11 Nov | |
| Details | UFC 283 | 2023 | Jamahal HILL | | UD–5 | Glover TEIXEIRA | | 21 Jan | |
| Details | UFC 282 | 2022 | Jan BŁACHOWICZ | | D–5 | Magomed ANKALAEV | | 10 Dec | |
| Details | UFC 275 | 2022 | Jiří PROCHÁZKA | | SUB–5 | Glover TEIXEIRA | | 12 Jun | |
| Details | UFC 267 | 2021 | Glover TEIXEIRA | | SUB–2 | Jan BŁACHOWICZ | | 30 Oct | |
| Details | UFC 259 | 2021 | Jan BŁACHOWICZ | | UD–5 | Israel ADESANYA | | 6 Mar | |
| Details | UFC 253  Jones vacated the belt to compete at heavyweight. | 2020 | Jan BŁACHOWICZ | | TKO–2 | Dominick REYES | | 27 Sep | |
| Details | UFC 247 | 2020 | Jon JONES | | UD–5 | Dominick REYES | | 8 Feb | |
| Details | UFC 239 | 2019 | Jon JONES | | SD–5 | Diego SANCHEZ | | 6 Jul | |
| Details | UFC 235 | 2019 | Jon JONES | | UD–5 | Anthony SMITH | | 2 Mar | |
| Details | UFC 232 | 2018 | Jon JONES | | TKO–3 | Alexander GUSTAFSSON | | 29 Dec | |
| Details | UFC 214 Cormier was then reinstated as champion (Jones stripped of title due to a failed pre-fight drug test) | 2017 | Jon JONES | | NC | Daniel CORMIER | | 29 Jul | |
| Details | UFC 197 | 2016 | Jon JONES | | UD–5 | Ovince SAINT PREUX | | 23 Apr | |
| Details | UFC 192 | 2015 | Daniel CORMIER | | SD–5 | Alexander GUSTAFSSON | | 3 Oct | |
| Details | UFC 187 Jones was stripped of the title on April 28, 2015, due to his involvement and arrest in a felony hit-and-run. | 2015 | Daniel CORMIER | | SUB–3 | Anthony JOHNSON | | 23 May | |
| Details | UFC 182 | 2015 | Jon JONES | | UD–5 | Daniel CORMIER | | 3 Jan | |
| Details | UFC 172 | 2014 | Jon JONES | | UD–5 | Glover TEIXEIRA | | 26 Apr | |
| Details | UFC 165 | 2013 | Jon JONES | | UD–5 | Alexander GUSTAFSSON | | 21 Sep | |
| Details | UFC 159 | 2013 | Jon JONES | | TKO–1 | Chael SONNEN | | 27 Apr | |
| Details | UFC 152 | 2012 | Jon JONES | | SUB–4 | Vitor BELFORT | | 22 Sep | |
| Details | UFC 145 | 2012 | Jon JONES | | UD–5 | Rashad EVANS | | 21 Apr | |
| Details | UFC 140 | 2011 | Jon JONES | | TSUB–2 | Lyoto MACHIDA | | 10 Dec | |
| Details | UFC 135 | 2011 | Jon JONES | | SUB–4 | Quinton JACKSON | | 24 Sep | |
| Details | UFC 128 | 2011 | Jon JONES | | TKO–3 | Maurício RUA | | 19 Mar | |
| Details | UFC 113 | 2010 | Maurício RUA | | KO–1 | Lyoto MACHIDA | | 8 May | |
| Details | UFC 98 | 2009 | Lyoto MACHIDA | | KO–2 | Rashad EVANS | | 23 May | |
| Details | UFC 92 | 2008 | Rashad EVANS | | TKO–3 | Forrest GRIFFIN | | 27 Dec | |
| Details | UFC 86 | 2008 | Forrest GRIFFIN | | UD–5 | Quinton JACKSON | | 5 Jul | |
| Details | UFC 75 | 2007 | Quinton JACKSON | | UD–5 | Dave HENDERSON | | 8 Sep | |
| Details | UFC 71 | 2007 | Quinton JACKSON | | KO–1 | Chuck LIDDELL | | 26 May | |
| Details | UFC 66 | 2006 | Chuck LIDDELL | | TKO–3 | Tito ORTIZ | | 30 Dec | |
| Details | UFC 62 | 2006 | Chuck LIDDELL | | TKO–1 | Renato SOBRAL | | 26 Aug | |
| Details | UFC 57 | 2006 | Chuck LIDDELL | | KO–2 | Randy COUTURE | | 4 Feb | |
| Details | UFC 54 | 2005 | Chuck LIDDELL | | TKO–4 | Jeremy HORN | | 20 Aug | |
| Details | UFC 52 | 2005 | Chuck LIDDELL | | KO–1 | Randy COUTURE | | 16 Apr | |
| Details | UFC 49 | 2004 | Randy COUTURE | | TKO–3 | Vitor BELFORT | | 21 Aug | |
| Details | UFC 46 | 2004 | Vitor BELFORT | | TKO–1 | Randy COUTURE | | 31 Jan | |
| Details | UFC 44 | 2003 | Randy COUTURE | | UD–5 | Tito ORTIZ | | 26 Sep | |
| Details | UFC 43 | 2003 | Randy COUTURE | | TKO–3 | Chuck LIDDELL | | 6 Jun | |
| Details | UFC 40 | 2002 | Tito ORTIZ | | TKO–3 | Ken SHAMROCK | | 22 Nov | |
| Details | UFC 33 | 2001 | Tito ORTIZ | | UD–5 | Vladimir MATYUSHENKO | | 28 Sep | |
| Details | UFC 32 | 2001 | Tito ORTIZ | | TKO–1 | Elvis SINOSIC | | 29 Jun | |
| Details | UFC 30 | 2001 | Tito ORTIZ | | KO–1 | Evan TANNER | | 23 Feb | |
| Details | UFC 29 | 2000 | Tito ORTIZ | | SUB–1 | Yuki KONDO | | 16 Dec | |
| Details | UFC 25 Shamrock vacated the title on November 24, 1999, when he retired from the UFC. | 2000 | Tito ORTIZ | | UD–5 | Wanderlei SILVA | | 14 Apr | |
| Details | UFC 22 | 1999 | Frank SHAMROCK | | SUB–4 | Tito ORTIZ | | 24 Sep | |
| Details | UFC Brazil | 1998 | Frank SHAMROCK | | SUB (7:40) | John LOBER | | 16 Oct | |
| Details | UFC 17 | 1998 | Frank SHAMROCK | | SUB (16:28) | Jeremy HORN | | 15 May | |
| Details | UFC 16 | 1998 | Frank SHAMROCK | | KO (0:22) | Igor ZINOVIEV | | 13 Mar | |
| Details | UFC Japan | 1997 | Frank SHAMROCK | | DEC (21:00) | Kevin JACKSON | | 21 Dec | |
