This is a partial list of hujjatul Islams, a title given to mid ranked Twelver Usuli Shi'a Muslim clerics.
Hierarchy of titles for Shia Muslim clerics:[3] This is a list of hujjatul Islams who are alive.
The list is arranged in descending order of age, (oldest to youngest).
Official Website This is a list of hujjatul Islams that have died.
The list is arranged in descending order of their date of passing.