Rabih az-Zubayr ibn Fadl Allah or Rabih Fadlallah, usually known as Rabah in French, was a Sudanese warlord and slave trader who established a powerful empire east of Lake Chad, in today's Chad.

Al-Zubayr Rahma Mansur Pasha, also known as Sebehr Rahma or Rahama Zobeir, was a slave trader in the late 19th century. He later became a pasha and governor in Sudan.