Osamah Al-Marwai

Osamah Ali Almarwai, born on 11 April 1992 in Jeddah, Saudi Arabia, is a Yemeni submission grappler and Brazilian jiu-jitsu black belt competitor. He played football and taekwondo as a child, trained in the United States and Saudi Arabia, and later joined Atos Jiu-Jitsu in California, where he received his black belt from Andre Galvao. In 2022 he won the IBJJF World No-Gi Championship and the Pan No-Gi Championship, and he is described as the first black belt IBJJF World No-Gi champion from the Middle East. He lost a ONE Championship submission grappling title bout to Mikey Musumeci in 2023 and won a second Pan No-Gi title in 2025.