Syedna Yusuf Najmuddin bin Sulaiman (Arabic: يوسف نجم الدين بن سليمان) (died on 23 June 1567 CE or 16 Dhu al-Hijjah 974 AH, Taiba, Yemen) was the 24th Da'i al-Mutlaq (Absolute Missionary) of the Taiyabi Ismailis. He succeeded Mohammad Ezzuddin to the religious post.