Mohammad-Taghi Khalaji (born March 31, 1948) is an Iranian Shia cleric. He has been described as "a prominent Qom cleric close to reformist clerics Ayatollah Hussein-Ali Montazeri and Ayatollah Yousef Sane'i." He was arrested on January 13, 2010, taken to Evin Prison in Tehran and as of January 26 was being held "without charge in solitary confinement, without access to a lawyer or family visits."