Theophile Verbist, CICM was a Belgian Catholic priest who founded the Congregation of the Immaculate Heart of Mary, a missionary religious congregation of men. He led missionary activities in China.

The CICM Missionaries, officially known as the Congregation of the Immaculate Heart of Mary and often abbreviated as C.I.C.M, is a Catholic clerical religious congregation of Pontifical Right for men established in 1862 by the Belgian Catholic priest Theophile Verbist (1823–1868). Its members add the post-nominal letters C.I.C.M. to their names to indicate membership in the congregation.