Rony Jason (18-12, 16) was born in Quixadá, Ceará, Brazil on March 21, 1984. At the age of 22 years on May 4, 2006, he made his professional MMA debut against Alessandro Cabeca, winning the fight via 2nd-round TKO.
On June 23, 2012, 28-year old Rony Jason made his UFC debut on his 14th professional MMA fight at UFC 147 against a 24-year old Godofredo Pepey, winning the fight via 3-round unanimous decision.
Jason's last fight was a 3rd-round TKO loss to Paweł Polityło at age 41 on May 24, 2025. He is on a 2-fight losing streak.
He has fought eight times in the UFC, and has a record of 4 wins, 3 losses and 1 no-contest in the promotion.
Some of Rony Jason's best fights have been against Godofredo Pepey, Steven Siler, Sam Sicilia, Mike Wilkinson and Felipe Arantes.
Jason has 12 losses on his MMA record.
| # | Date | Opponent | Promotion | Weight | Round | Method | Result |
|---|---|---|---|---|---|---|---|
31 | May 24, 2025 41 years, 2 months 18-12 (16) | Paweł Polityło | FT | 3 | TKO | LOSS Punches | |
30 | Sep 7, 2024 40 years, 5 months 18-11 (16) | Jordan Barton | FT | 5 | UD | LOSS | |
29 | Dec 16, 2023 39 years, 8 months 18-10 (16) | Tariel Abbasov | FT | 3 | SUB | WIN Arm-triangle choke | |
28 | Jul 2, 2023 39 years, 3 months 17-10 (15) | Savio Chaves | FT | 3 | TKO | WIN Punches | |
27 | May 28, 2023 39 years, 2 months 16-10 (14) | Filip Pejić | FT | 1 | KO | WIN Punches | |
26 | Mar 26, 2022 38 years 15-10 (13) | Daniel BaĹľant | FT | 5 | UD | LOSS | |
25 | Nov 16, 2019 35 years, 7 months 15-9 (13) | Alexander Grozin | FT | 3 | UD | LOSS | |
24 | Jul 19, 2019 35 years, 3 months 15-8 (13) | Edgar DĂaz Guzman | FT | 1 | TKO | WIN Punches | |
23  | Mar 15, 2019 34 years, 11 months 14-8 (12) | 24 years, 2 months 15-3 (15) | FT | 3 | UD | LOSS | |
22  | Mar 11, 2017 32 years, 11 months 14-7 (12) | 24 years, 5 months 9-0 (5) | UFC | FT | 3 | UD | LOSS |
21  | Aug 6, 2016 32 years, 4 months 14-6 (12) | 29 years, 7 months 15-5 (7) | UFC | FT | 3 | UD | LOSS |
20  | May 30, 2015 31 years, 2 months 14-5 (12) | 26 years, 9 months 9-1 (9) | UFC | FT | 1 | NC | NC Overturned |
19  | May 31, 2014 30 years, 2 months 14-5 (12) | 28 years, 2 months 17-4 (15) | TUF | FT | 3 | SD | LOSS |
18  | Mar 23, 2014 30 years 14-4 (12) | 27 years, 1 months 23-11 (16) | UFC | FT | 1 | TKO | WIN Punches |
17  | Nov 9, 2013 29 years, 7 months 13-4 (11) | 27 years, 5 months 21-9 (17) | UFC | FT | 1 | KO | LOSS Head kick |
16  | Jun 8, 2013 29 years, 2 months 13-3 (11) | 25 years, 8 months 8-0 (6) | UFC | FT | 1 | CKO | WIN Triangle choke |
15  | Oct 13, 2012 28 years, 6 months 12-3 (11) | 26 years, 8 months 11-1 (10) | UFC | FT | 2 | TKO | WIN Punches |
14  | Jun 23, 2012 28 years, 3 months 11-3 (10) | 24 years, 11 months 8-0 (8) | UFC | FT | 3 | UD | WIN |
13 | Nov 10, 2011 27 years, 7 months 10-3 (10) | Reginaldo Vieira | FT | 1 | SUB | WIN Armbar | |
12 | Sep 17, 2011 27 years, 5 months 9-3 (9) | Anderson de Deus | 1 | SUB | WIN Arm-triangle choke | ||
11 | Jul 16, 2011 27 years, 3 months 8-3 (8) | Marlon Medeiros | 1 | SUB | WIN Triangle choke | ||
10 | Apr 23, 2011 27 years, 1 months 7-3 (7) | Diego Ribeiro | 1 | TKO | WIN Punches | ||
9 | Dec 15, 2010 26 years, 8 months 6-3 (6) | Jurandir Sardinha | 1 | SUB | WIN Triangle choke | ||
8  | Dec 5, 2009 25 years, 8 months 5-3 (5) | 25 years, 11 months 5-3 (3) | 2 | TKO | LOSS Doctor stoppage | ||
7 | Oct 10, 2009 25 years, 6 months 5-2 (5) | Felipe Alves | 1 | SUB | WIN Rear-naked choke | ||
6  | Sep 12, 2009 25 years, 5 months 4-2 (4) | 21 years, 7 months 6-2 (6) | 1 | SUB | WIN Triangle choke | ||
5 | Aug 13, 2009 25 years, 4 months 3-2 (3) | JoĂŁo Paulo Rodrigues | 2 | SUB | LOSS Stomp | ||
4 | Sep 4, 2007 23 years, 5 months 3-1 (3) | Renan Falcon | 1 | SUB | WIN Armbar | ||
3  | Nov 9, 2006 22 years, 7 months 2-1 (2) | 19 years, 9 months 5-1 (5) | 3 | SD | LOSS | ||
2 | Nov 8, 2006 22 years, 7 months 2-0 (2) | Fernando Gardner | 1 | KO | WIN Stomp | ||
1 | May 4, 2006 22 years, 1 months 1-0 (1) | Alessandro Cabeca | 2 | TKO | WIN Punches |
