| Type: | Cardinal |
| Honorific Prefix: | His Eminence |
| Lőrinc Schlauch | |
| Bishop of Oradea Mare | |
| Church: | Roman Catholic Church |
| Diocese: | Oradea Mare |
| See: | Oradea Mare |
| Appointed: | 26 May 1887 |
| Term Start: | 24 August 1897 |
| Term End: | 10 July 1902 |
| Predecessor: | Arnold Ipolyi-Stummer |
| Successor: | Pavol Szmrecsányi |
| Other Post: | Cardinal-Priest of San Girolamo dei Croati (1894-1902) |
| Ordination: | 3 April 1847 |
| Ordained By: | József Krivinai Lonovich |
| Consecration: | 21 September 1873 |
| Consecrated By: | János Simor |
| Cardinal: | 12 June 1893 |
| Created Cardinal By: | Pope Leo XIII |
| Rank: | Cardinal-Priest |
| Birth Name: | Lőrinc Schlauch |
| Birth Date: | 27 March 1824 |
| Birth Place: | Uj-Arad, Kingdom of Hungary |
| Death Place: | Nagyvárad, Bihor, Kingdom of Romania |
| Parents: | Pal Schlauch Katharina Jost |
| Previous Post: | Bishop of Satu Mare (1873-87) |
| Alma Mater: | University of Budapest |
| Coat Of Arms: | COA cardinal RO Schlauch Lorenz.png |
Lőrinc Schlauch (27 March 1824 – 10 July 1902) was a Hungarian Roman Catholic cardinal and archbishop during 19th and 20th century.
He was born in Arad in the Banat region of the Austrian Empire and was a son of Lorenz von Linden. He was appointed as a chaplain in 1847 and from 25 July 1873 to 26 May 1886, he was bishop of the Szatmárnémeti diocese.
He was created a cardinal in the consistory on 12 June 1893 by Pope Leo XIII with the title of San Girolamo dei Croati. From 1886 until his death in Nagyvárad in 1902, he served as bishop of the Nagyvárad diocese.