Mubarak Al-Nubi

Mubarak Sultan Faraj Al-Nubi (مبارك سلطان النوبي فرج; born 30 December 1977) is a retired Qatari athlete who specialized in the 400 metres hurdles. He is the brother of Olympic long jumper Abdul Rahman Al-Nubi. He represented his country at the 2000 Sydney Olympics and competed at the World Championships in Athletics in 1997 and 2003. He was twice a silver medallist at the IAAF World Cup.

At regional level, he won three gold medals in the 400 m hurdles at the Asian Athletics Championships and participated at three Asian Games, being the runner-up in 2002. In addition, he has medals from the Gulf Cooperation Council Athletics Championships and the Arab Athletics Championships. His personal best of 48.17 seconds is the Qatari record for the event.