Seyed Abolhassan Ale Rasoul known as Shams Abadi Mazandarani (born 1907 - died April 7, 1976) was an Iranian cleric and lawyer.

Seyed Abolhassan Shams Abadi was the son-in-law of Ali Meshkat Sedei, master of Ruhollah Khomeini.

Seyed Abolhassan Shams Abadi was one of the mujtahids of Isfahan, who performed congregational prayers in the Sarpol Mosque of Khozan neighborhood in the Khomeyni Shahr city.

[2][3] After returning from Najaf, Shams Abadi participated in activities such as helping orphans and the poor, and in the establishment and expansion of charitable institutions, such as the Imam Zaman Helping Association, the establishment of Esfahani Pilgrimage Building in Mashhad and Karbala, and the Aba Basir School for the Blind.

[6][7][8] Shams Abadi was abducted and killed by a group attributed to Mehdi Hashemi on his way to the mosque to perform congregational prayers at dawn on April 7, 1976, one day after he returning from Hajj pilgrimage.