Francis Mary Paul Libermann (French: François-Marie-Paul Libermann; born Jacob Libermann; 14 April 1802 – 2 February 1852) was a 19th-century French Jewish convert to Catholicism, member of the Spiritan Congregation.
He is best known for founding the Congregation of the Immaculate Heart of Mary which later merged with the Congregation of the Holy Spirit (Spiritans).
He is often referred to as "The Second Founder of the Spiritans".
He was declared venerable in the Roman Catholic Church on 1 June 1876, by Pope Pius IX.