Osamah Almarwai

Early life Osamah Ali Almarwai was born on April 11, 1992, in Jeddah, Saudi Arabia. winning silver in 2020 at the Pan No-Gi Championship. The following year he became World No-Gi Champion and American Nationals No-Gi Champion.

After receiving his black belt from Galvao, Almarwai competed in the 2022 World No-Gi Championship in Anaheim, California, where he defeated Henrique Rossi in a straight ankle lock; Coco Izutsu by points; and Roiter Silva Junior by points. In 2022, Almarwai competed in 16 competitions. As part of the Atos team, Almarwai trains with the Ruotolo brothers, Kade Ruotolo and Tye Ruotolo.

2023 Almarwai faced Mikey Musumeci for the ONE Flyweight Submission Grappling World Championship at ONE Fight Night 10 on May 5, 2023. Almarwai lost the fight via submission due to a rear naked choke at 8:03 of the first round.

2024 Almarwai competed against Cleber Sousa in a flyweight submission grappling match at ONE 166 on March 1, 2024. He lost the match by reverse triangle armbar.

Almarwai competed against Zayed Alkatheeri at Pit Submission Series 4 on April 20, 2024. He lost the match by unanimous decision. He then won a gold medal in the roosterweight division at the IBJJF No Gi American National Championship 2024 on June 29, 2024.

2025

Almarwai made a successful comeback from knee surgery, returning to competition just a few months after recovery. He went on to win his second IBJJF No-Gi Pan American Championship title in 2025, marking a strong return to form and reaffirming his position among the top athletes in his division.

Championships and accomplishments Main Achievements (Black Belt): ) IBJJF Pan No-Gi Champion (2022, 2025 ) IBJJF American Nationals No-Gi Champion (2022, 2024) IBJJF World Master Champion (2022)

Main Achievements (Colored Belts): Number 1 IBJJF Rooster Weight No-Gi Rankings (2021 brown) IBJJF World No-Gi Champion (2021 brown) IBJJF American Nationals No-Gi Champion (2021 brown) 2nd place IBJJF Pans No-Gi Championship (2020 brown) 2nd place IBJJF Pan Championship (2021 brown) 3rd place IBJJF World Championship (2021 brown)