Seyyed Mohammad Hassan Hosseini Quchani (Persian: سید محمد حسن حسینی قوچانی), known as Aqa Najafi Quchani (Persian: آقا نجفی قوچانی) was one of the Islamic scholars and jurists of the fourteenth century AH.

[6][7] In 1895 at the age of 19 he went to Isfahan and there he studied philosophy under Akhund Mullah Mohammad Kashani and Islamic jurisprudence under Abdolkarim Gazi[8] and wisdom under Jahangir Khan Ghashghaei.

[9][10] In 1900, at the age of 23, he went to Najaf[11][12] and there he began to studying specialized levels of Islamic seminary sciences, first under Muhammad Kadhim Khorasani.

First on the 23th October 1907, he married a girl belonging to an Iranian family living in Karbala named Sakineh Beigum,[15] and from her he had four daughters and a son in Iraq.

Aqa Najafi Quchani's two daughters and a son died in Iraq and were buried in Wadi-us-Salaam cemetery, bringing with him two other twin girls to Iran.

[3][39] Aqa Najafi Quchani died on 20 April 1944 in Quchan, Iran[17] and was buried in the house where he was studying.