Yusuf Mahamud Ibrahim (Somali: Yuusuf Maxamuud Ibrahiim, Arabic: يوسف محمود ابراهيم) was a Somali ruler. He was the third and most powerful Sultan of the Geledi sultanate, reigning from 1798 to 1848. Under the reign of Sultan Yusuf, his kingdom entered its apex, he managed to modernize his economy and his kingdom quickly became one of the wealthiest states in East Africa. Yusuf frequently toured the sultanate and built rapport with his many clients and allies. He successfully consolidated Geledi power during conquest of Bardera and expelling extremist ideology from his region. It was under his rule he manage to establish many trading partners and allies such as the Sultanate of Witu. He also exacted tribute from Sultan Said of the Omani Empire starting from 1843.