Billy Quarantillo (18-7, 13) was born in Ransomville, New York, U.S. on December 8, 1988. At the age of 24 years on February 15, 2013, he made his professional MMA debut against John de Jesus, winning the fight via 3-round split decision.
On December 7, 2019, 30-year old Billy Quarantillo made his UFC debut on his 15th professional MMA fight at UFC on ESPN: Overeem vs. Rozenstruik against Jacob Kilburn, winning the fight in the 2nd round via submission.
Quarantillo's last fight was a 3rd-round KO loss to Cub Swanson at UFC on ESPN: Covington vs. Buckley at age 36 on December 14, 2024. He is on a 2-fight losing streak.
He has fought 11 times in the UFC, and has a record of 6 wins and 5 losses in the promotion.
Some of Billy Quarantillo's best fights have been against Alexander Hernandez, Gabriel Benítez, Kyle Nelson, Jacob Kilburn, Spike Carlyle, Damon Jackson and Khama Worthy.
Quarantillo has 7 losses on his MMA record.
| # | Date | Opponent | Promotion | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|---|
25  | Dec 14, 2024 36 years 18-7 (13) | 41 years, 1 months 29-14 (17) | UFC | FT | 3 | KO | LOSS Punch |
24  | Mar 23, 2024 35 years, 3 months 18-6 (13) | 27 years, 6 months 13-5-1 (10) | UFC | FT | 2 | SUB | LOSS Rear-naked choke |
23  | Aug 5, 2023 34 years, 7 months 18-5 (13) | 34 years, 11 months 22-5-1 (18) | UFC | FT | 3 | UD | WIN |
22  | Apr 15, 2023 34 years, 4 months 17-5 (13) | 37 years, 2 months 22-11 (14) | UFC | FT | 1 | KO | LOSS Knee |
21  | Dec 10, 2022 34 years 17-4 (13) | 30 years, 2 months 13-5 (8) | UFC | FT | 2 | TKO | WIN Knees and punches |
20  | Nov 6, 2021 32 years, 10 months 16-4 (12) | 30 years, 7 months 13-3 (10) | UFC | FT | 3 | UD | LOSS |
19  | Jul 17, 2021 32 years, 7 months 16-3 (12) | 33 years, 1 months 22-8 (16) | UFC | FT | 3 | TKO | WIN Punches |
18  | Dec 12, 2020 32 years 15-3 (11) | 34 years, 5 months 12-1 (10) | UFC | FT | 3 | UD | LOSS |
17  | Sep 12, 2020 31 years, 9 months 15-2 (11) | 29 years, 4 months 13-3 (9) | UFC | FT | 3 | KO | WIN Punch |
16  | May 30, 2020 31 years, 5 months 14-2 (10) | 27 years 9-1 (8) | UFC | FT | 3 | UD | WIN |
15 | Dec 7, 2019 30 years, 11 months 13-2 (10) | Jacob Kilburn | UFC | FT | 2 | SUB | WIN Triangle choke |
14 | Jul 23, 2019 30 years, 7 months 12-2 (9) | Kamuela Kirk | FT | 3 | TKO | WIN Punches | |
13 | Feb 23, 2019 30 years, 2 months 11-2 (8) | Adrian Vilaca | KOTC | FT | 2 | TKO | WIN Punches |
12 | Aug 19, 2017 28 years, 8 months 10-2 (7) | Eric Reynolds | SLT | 1 | TKO | WIN Punches | |
11 | Feb 25, 2017 28 years, 2 months 9-2 (6) | Ryan Fillingame | KOTC | SLT | 2 | TKO | WIN Retirement Won KOTC super-lightweight title |
10 | Sep 24, 2016 27 years, 9 months 8-2 (5) | Matthew DiMarcantonio | KOTC | LT | 3 | UD | WIN |
9 | Apr 1, 2016 27 years, 3 months 7-2 (5) | Michel Quiñones | LT | 1 | TKO | LOSS Punches | |
8 | Jan 29, 2016 27 years, 1 months 7-1 (5) | Marc Stevens | LT | 3 | UD | WIN | |
7  | Feb 28, 2015 26 years, 2 months 6-1 (5) | 28 years, 4 months 7-2 (5) | FT | 2 | TKO | WIN Punches | |
6 | Sep 27, 2014 25 years, 9 months 5-1 (4) | Terrell Hobbs | FT | 3 | SUB | WIN Triangle choke | |
5 | Jul 11, 2014 25 years, 7 months 4-1 (3) | Isaac Figueroa | LT | 2 | SUB | WIN Rear-naked choke | |
4 | Jun 7, 2014 25 years, 5 months 3-1 (2) | Sandro da Silva | LT | 1 | SUB | WIN Armbar | |
3  | Nov 8, 2013 24 years, 11 months 2-1 (1) | 32 years, 10 months 9-7 (4) | 3 | UD | LOSS | ||
2 | Jul 26, 2013 24 years, 7 months 2-0 (1) | Howard Reece | 1 | SUB | WIN Armbar | ||
1 | Feb 15, 2013 24 years, 2 months 1-0 (0) | John de Jesus | 3 | SD | WIN |
