| 1 | UFC 144 - EDGAR VS. HENDERSON (26/02/2012) | 21000 |
| 2 | UFC 154 - ST. PIERRE VS. CONDIT (17/11/2012) | 17249 |
| 3 | UFC ON FOX 2 - EVANS VS. DAVIS (28/01/2012) | 16963 |
| 4 | UFC 153 - SILVA VS. BONNAR (13/10/2012) | 16844 |
| 5 | UFC 152 - JONES VS. BELFORT (22/09/2012) | 16800 |
| 6 | UFC 147 - SILVA VS. FRANKLIN 2 (23/06/2012) | 16643 |
| 7 | UFC 149 - FABER VS. BARAO (21/07/2012) | 16089 |
| 8 | UFC ON FOX 4 - SHOGUN VS. VERA (04/08/2012) | 16080 |
| 9 | UFC 145 - JONES VS. EVANS (21/04/2012) | 15545 |
| 10 | UFC ON FUEL TV 2 - GUSTAFSSON VS. SILVA (14/04/2012) | 15428 |
| 11 | UFC 148 - SILVA VS. SONNEN 2 (07/07/2012) | 15104 |
| 12 | UFC 146 - DOS SANTOS VS. MIR (26/05/2012) | 14674 |
| 13 | UFC ON FX 2 - ALVES VS. KAMPMANN (03/03/2012) | 14537 |
| 14 | UFC ON FOX 5 - HENDERSON VS. DIAZ (08/12/2012) | 14387 |
| 15 | UFC 155 - DOS SANTOS VS. VELASQUEZ 2 (29/12/2012) | 13561 |
| 16 | UFC 150 - HENDERSON VS. EDGAR 2 (11/08/2012) | 13027 |
| 17 | UFC ON FOX 3 - DIAZ VS. MILLER (05/05/2012) | 10788 |
| 18 | UFC 142 - ALDO VS. MENDES (14/01/2012) | 10605 |
| 19 | UFC 143 - DIAZ VS. CONDIT (04/02/2012) | 9015 |
| 20 | UFC ON FUEL TV 6 - FRANKLIN VS. LE (10/11/2012) | 8415 |
| 21 | UFC ON FX 1 - GUILLARD VS. MILLER (20/01/2012) | 7728 |
| 22 | UFC ON FUEL TV 5 - STRUVE VS. MIOCIC (29/09/2012) | 7241 |
| 23 | UFC ON FUEL TV 1 - SANCHEZ VS. ELLENBERGER (15/02/2012) | 7120 |
| 24 | UFC ON FX 5 - BROWNE VS. BIGFOOT (05/10/2012) | 7049 |
| 25 | UFC ON FX 3 - JOHNSON VS. MCCALL (08/06/2012) | 6635 |
| 26 | UFC ON FX 6 - SOTIROPOULOS VS. PEARSON (15/12/2012) | 5133 |
| 27 | UFC ON FX 4 - MAYNARD VS. GUIDA (22/06/2012) | 4652 |
| 28 | UFC ON FUEL TV 3 - KOREAN ZOMBIE VS. POIRIER (15/05/2012) | 4592 |
| 29 | UFC ON FUEL TV 4 - MUNOZ VS. WEIDMAN (11/07/2012) | 4250 |
| 30 | TUF 16 - THE ULTIMATE FIGHTER 16 FINALE (15/12/2012) | 2427 |
| 31 | TUF 15 - THE ULTIMATE FIGHTER 15 FINALE (01/06/2012) | 1628 |
| 32 | UFC 151 - EVENT ANNULE (01/09/2012) | 0 |
