Jayhani or al-Jayhani may refer to:
Abu Abdallah Muhammad ibn Ahmad al-Jayhani (died 925), geographer and vizier of the Samanid Empire the Jayhani tradition, represented in the Book of Roads and Kingdoms Abu Ali Muhammad ibn Muhammad al-Jayhani (died 942), vizier of the Samanid dynasty Abu Abdallah Ahmad ibn Muhammad al-Jayhani, vizier of the Samanid Empire (976–977)