Regina Tarin
“Kill Bill”
Record 8-0-0MexicoBonebreakers MMA
The style
Aggressive Finisher
Heavy hands · Fast starts · Finishing instinct
GrapplingStriking
Regina Tarin, 'Kill Bill,' is an undefeated 21-year-old flyweight out of Mexico City training at the UFC Performance Institute, with half her wins coming by knockout. She won a unanimous decision over Ernesta Kareckaite in her most recent outing in February 2026 to stay perfect. She faces her biggest test yet against experienced veteran JJ Aldrich in front of a home crowd.
Tale of the tape
| Record | 8-0-0 |
| Age | 21 |
| Height | 5'7" |
| Reach | 66" |
| Stance | — |
| Country | Mexico |
| Team | Bonebreakers MMA |
The numbers
Career UFC averages.
| Sig. strikes landed / min | — |
| Striking accuracy | — |
| Sig. strikes absorbed / min | — |
| Striking defense | — |
| Takedowns / 15 min | — |
| Takedown accuracy | — |
| Takedown defense | — |
| Submission attempts / 15 min | — |
How they win
4 KO/TKO2 SUB2 DEC
How they lose
Has never lost.