Yusuf Najmuddin bin Sulaiman (death: June 23, 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. His tenure of da'i was for 28 years 9 months and 23 days. His grave is located at Taiba in Yemen. Yusuf Najmuddin gave nass to Jalal Shamsuddin of Ahmedabad as his successor, the 25th Da'i.