Ahmad Hosseini Khorasani () is an Iranian Twelver Shia ayatollah who was born in 1959 Fajr-Abad (Shirvan). He is a member of Guardian Council and also representative of Razavi Khorasan Province people in Assembly of Experts.
Seyyed Ahmad Hosseini-Khorasani whose current dwelling place is in Qom, is the representative of Khorasan Razavi people in the Assembly of experts. This Shia cleric who is the son of Mirza-Arab, went to "Ayatollah-Hakim Hawzah" in Shirvan, afterwards departed to Mashhad (seminary); and was educating by the side of scholars/teachers such as: Falsafi, Mortazavi and RezaZadeh; he was also simultaneously teaching in Hawzah and Mashhad University of Ferdosi. Likewise, Hosseini-Khorasani immigrated to Qom, and participated at the classes of Shia scholars amongst: Hasanzadeh Amoli, Javadi-Amoli, etc. So far, there have been published more than 50 scientific articles from this Iranian ayatollah.