Mise à jour : Dimanche 15 octobre 2023 10:02:54 1461 
Les rémunérations des combattants de l'UFC Vegas 81 sont déterminées en fonction de leurs contrats personnels, en prenant en considération les projections des gains potentiels basées sur les montants déjà divulgués publiquement. Voir la carte de l'UFC on ESPN+ 88 (Las Vegas)
| Combattant |
Salaire de base |
Incentive Pay |
Pénalité |
Bonus |
Salaire Garantie |
| Edson Barboza | $250,000 | $21,000 | - | $50,000 | $321,000 |
| Sodiq Yusuff | $250,000 | $6,000 | - | $50,000 | $306,000 |
| Jennifer Maia | $60,000 | $11,000 | - | - | $71,000 |
| Jonathan Martinez | $85,000 | $11,000 | - | $50,000 | $146,000 |
| Adrian Yanez | $60,000 | $6,000 | - | - | $66,000 |
| Michel Pereira | $50,000 | $6,000 | - | $50,000 | $106,000 |
| Andre Petroski | $18,000 | $6,000 | - | - | $24,000 |
| Edgar Chairez | $12,000 | $4,000 | - | - | $16,000 |
| Daniel Lacerda | $20,000 | $4,500 | - | - | $24,500 |
| Christian Rodriguez | $20,000 | $4,500 | -$2,500 | - | $22,000 |
| Cameron Saaiman | $20,000 | $4,500 | +$2,500 | - | $27,000 |
| Darren Elkins | $70,000 | $21,000 | - | - | $91,000 |
| T.J. Brown | $38,000 | $6,000 | - | - | $44,000 |
| Tainara Lisboa | $12,000 | $4,000 | - | - | $16,000 |
| Ravena Oliveira | $12,000 | $4,000 | - | - | $16,000 |
| Terrance McKinney | $60,000 | $6,000 | - | - | $66,000 |
| Brendon Marotte | $12,000 | $4,000 | - | - | $16,000 |
| Irina Alekseeva | $12,000 | $4,000 | - | - | $16,000 |
| Melissa Dixon | $12,000 | $4,000 | - | - | $16,000 |
| Chris Gutierrez | $75,000 | $11,000 | - | - | $86,000 |
| Heili Alateng | $30,000 | $6,000 | - | - | $36,000 |
| Ashley Yoder | $38,000 | $11,000 | - | - | $49,000 |
| Emily Ducote | $20,000 | $4,500 | - | - | $24,500 |
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