Dylan O'Sullivan
“The Soul Snatcher / Dementor”
Standout achievements
Dylan O'Sullivan is an American mixed martial artist with a professional record of 8-6 across 14 bouts. They've won 6 by KO/TKO, 2 by submission and 0 by decision — a 100 % finish rate. Most wins come by KO/TKO. Last competed March 2026 (active). Has fought most often in United States (14 bouts).
Fight locations (2 venues)
Career timeline — fights by year
Frequently asked
What is Dylan O'Sullivan's MMA record?
Dylan O'Sullivan has a professional MMA record of 8-6 — 6 wins by KO/TKO, 2 by submission, 0 by decision.
How does Dylan O'Sullivan usually win?
They most often win by KO/TKO (6 of 8 wins).
How does Dylan O'Sullivan usually lose?
Most of Dylan O'Sullivan's losses come by submission (3 of 6).
Is Dylan O'Sullivan still active?
Dylan O'Sullivan last competed in March 2026, and is considered active (no bout in over two years).
What is Dylan O'Sullivan's fastest finish?
KO/TKO of R.J. Hayes in 0:15 (Rd 1) at SMMA 43 - Showcase MMA 43.
Where is Dylan O'Sullivan from?
Dylan O'Sullivan is a American mixed martial artist.
What is Dylan O'Sullivan's longest MMA win streak?
Dylan O'Sullivan's longest winning run on record is 5 straight victories.
Where does Dylan O'Sullivan rank in MMA?
Dylan O'Sullivan sits at #17,410 of 32,631 fighters in the Fight Forensics global MMA rankings.
Pro MMA (14)
Amateur (1)
Amateur bouts — not counted toward the pro record.