Arnold Allen (20-4, 11) was born in Ipswich, England on January 22, 1994. At the age of 18 years on April 7, 2012, he made his professional MMA debut against Nathan Greyson, winning the fight via 2nd-round KO.
On June 20, 2015, 21-year old Arnold Allen made his UFC debut on his 11th professional MMA fight at UFC Fight Night: Jędrzejczyk vs. Penne against Alan Omer, winning the fight in the 3rd round via submission.
Allen's last fight was a 3-round unanimous decision loss to Jean Silva at UFC 324 at age 32 on January 24, 2026. He is on a 1-fight losing streak.
He has fought 14 times in the UFC, and has a record of 11 wins and 3 losses in the promotion.
Some of Arnold Allen's best fights have been against Calvin Kattar, Dan Hooker, Jordan Rinaldi, Giga Chikadze, Makwan Amirkhani, Alan Omer and Gilbert Melendez. For details about these fights refer to "Best fights of Arnold Allen".
Allen has 4 losses on his MMA record. For details about these losses refer to "Arnold Allen Losses".
| # | Date | Opponent | Promotion | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|---|
24  | Jan 24, 2026 32 years 20-4 (11) | 29 years, 1 month 16-3 (15) | UFC | FT | 3 | UD | Loss |
23  | Jul 27, 2024 30 years, 6 months 20-3 (11) | 35 years, 11 months 15-3 (10) | UFC | FT | 3 | UD | Win |
22  | Jan 20, 2024 29 years, 11 months 19-3 (11) | 29 years, 11 months 17-0 (7) | UFC | FT | 3 | UD | Loss |
21  | Apr 15, 2023 29 years, 2 months 19-2 (11) | 31 years, 4 months 23-7 (12) | UFC | FT | 5 | UD | Loss |
20  | Oct 29, 2022 28 years, 9 months 19-1 (11) | 34 years, 7 months 23-6 (13) | UFC | FT | 2 | TKO | Win Knee injury |
19  | Mar 19, 2022 28 years, 1 months 18-1 (10) | 32 years, 1 month 21-11 (17) | UFC | FT | 1 | TKO | Win Punches and elbows |
18  | Apr 10, 2021 27 years, 2 months 17-1 (9) | 27 years, 10 months 11-1 (6) | UFC | FT | 3 | UD | Win |
17  | Jan 25, 2020 26 years 16-1 (9) | 35 years, 5 months 30-10-2 (19) | UFC | FT | 3 | UD | Win |
16  | Jul 6, 2019 25 years, 5 months 15-1 (9) | 37 years, 2 months 22-7 (12) | UFC | FT | 3 | UD | Win |
15  | Mar 16, 2019 25 years, 1 months 14-1 (9) | 31 years, 5 months 14-6 (9) | UFC | FT | 3 | UD | Win |
14  | May 27, 2018 24 years, 4 months 13-1 (9) | 24 years, 2 months 9-2 (5) | UFC | FT | 3 | SUB | Win Guillotine choke |
13  | Mar 18, 2017 23 years, 1 months 12-1 (8) | 28 years, 4 months 13-2 (9) | UFC | FT | 3 | SD | Win |
12  | Feb 27, 2016 22 years, 1 months 11-1 (8) | 35 years 21-10 (12) | UFC | FT | 3 | UD | Win |
11 | Jun 20, 2015 21 years, 4 months 10-1 (8) | Alan Omer | UFC | FT | 3 | SUB | Win Guillotine choke |
10 | Nov 29, 2014 20 years, 10 months 9-1 (7) | Paul Cook | LT | 2 | TKO | Win Doctor stoppage | |
9 | Aug 22, 2014 20 years, 7 months 8-1 (6) | Gaetano Pirello | CW | FT | 3 | UD | Win |
8 | Jun 7, 2014 20 years, 4 months 7-1 (6) | Marcin Wrzosek | CW | FT | 3 | UD | Loss |
7 | Apr 18, 2014 20 years, 2 months 7-0 (6) | Tobias Huber | CW | FT | 1 | TKO | Win Punches |
6 | Dec 13, 2013 19 years, 10 months 6-0 (5) | Doni Miller | CW | FT | 2 | TKO | Win Punches |
5 | Oct 5, 2013 19 years, 8 months 5-0 (4) | Declan Williams | CW | FT | 2 | SUB | Win Triangle choke |
4 | Jul 6, 2013 19 years, 5 months 4-0 (3) | Andy Green | CW | FT | 1 | SUB | Win Rear-naked choke |
3 | Feb 2, 2013 19 years 3-0 (2) | Carl Orriss | FT | 3 | UD | Win | |
2 | Oct 20, 2012 18 years, 8 months 2-0 (2) | Kim Thinghaugen | BT | 1 | TKO | Win Doctor stoppage | |
1 | Apr 7, 2012 18 years, 2 months 1-0 (1) | Nathan Greyson | BT | 2 | KO | Win Punch |
