Nooh Al-Mousa started his career with Al-Fateh where he progressed through the youth ranks. He made his debut for the first team during the 2012–13 season in the match against Al-Raed. He won the league with Al-Fateh during his first season as a first-team player. Al-Mousa became a regular starter for Al-Fateh during the 2016–17 season where he played 29 matches throughout all competitions. In 2018, as part of a deal between the Saudi Arabian Football Federation and La Liga, Al-Mousa joined Spanish club Real Valladolid on a six-month loan.[2] On April 27, 2018, Al-Mousa signed a 4-year contract with Al-Ahli.[3] On 6 March 2022, Al-Mousa signed a pre-contract with former club Al-Fateh. He joined the club following the expiration of his contract with Al-Ahli.[4]
International career
He made his debut against Latvia in a non-friendly game on 7 November 2017. He officially started his journey against Portugal national football team on 10 November 2017. He was called up for the 23rd Arabian Gulf Cup and started all 3 matches as the Falcons exited the competition at the group stage. Al-Mousa was called up for the 2019 AFC Asian Cup and appeared in one match, the final group stage match against Qatar.[5]