Carlo Laurenzi (12 January 1821 – 2 November 1893) was an Italian Cardinal of the Roman Catholic Church who served as Prefect of the Sacred Congregation of Rites from 1889 until his death, and was elevated to the cardinalate in 1884.
He also served as President of the Theological College at his alma mater of the University of Perugia, and became a canon archpriest in 1857.
On 22 June 1877, Laurenzi was appointed Auxiliary Bishop of Perugia and Titular Bishop of Amathus in Palaestina by Pope Pius IX, receiving his episcopal consecration from Cardinal Gioacchino Pecci, the future Pope Leo XIII.
Laurenzi was appointed Secretary of Memorials of His Holiness on 25 April 1885, and served as Camerlengo of the Sacred College of Cardinals from 11 February to 30 December 1889.
He lay in state in his cardinalatial church before being buried at the chapel of the Congregation for the Propagation of the Faith in the Campo Verano cemetery.