They beat Shabab Al Ahli 2-1 in the final match played last night.
Alvaro Negredo was quick off the mark with a goal for Al Nasr in the first minute.
Yousef Jaber evened the score for Shabab Al Ahli 13 minutes later.
Al Nasr's victory was confirmed with a goal from Antonio Toze in the 50th minute.
The match was played at Al Wasl Club's Zabeel Stadium in Dubai.


Five-way tie at the top after Abu Dhabi HSBC Championship first round
India spin dominant T20 win over Australia
Rory McIlroy backs MENA Golf Tour as 'a really good thing' for region
Anisimova outlasts Swiatek at WTA Finals to join Rybakina in semis
City's Haaland haunts former club Dortmund, Foden nets two in 4-1 win
