| Karl Schenk | |
| Office1: | President of Switzerland |
| Term Start1: | 1 January 1893 |
| Term End1: | 31 December 1893 |
| Predecessor1: | Walter Hauser |
| Successor1: | Emil Frey |
| Term Start2: | 1 January 1885 |
| Term End2: | 31 December 1885 |
| Predecessor2: | Emil Welti |
| Successor2: | Adolf Deucher |
| Term Start3: | 1 January 1878 |
| Term End3: | 31 December 1878 |
| Predecessor3: | Joachim Heer |
| Successor3: | Emil Welti |
| Term Start4: | 1 January 1874 |
| Term End4: | 31 December 1874 |
| Predecessor4: | Paul Cérésole |
| Successor4: | Johann Jakob Scherer |
| Term Start5: | 1 January 1871 |
| Term End5: | 31 December 1871 |
| Predecessor5: | Jakob Dubs |
| Successor5: | Emil Welti |
| Term Start6: | 1 January 1865 |
| Term End6: | 31 December 1865 |
| Predecessor6: | Jakob Dubs |
| Successor6: | Melchior Josef Martin Knüsel |
| Office7: | Member of the Swiss Federal Council |
| Term Start7: | 12 December 1863 |
| Term End7: | 18 July 1895 |
| Predecessor7: | Jakob Stämpfli |
| Successor7: | Eduard Müller |
| Birth Date: | 1 December 1823 |
| Birth Place: | Bern, Switzerland |
| Death Date: | 18 July 1895 (aged 71) |
| Death Place: | Bern, Switzerland |
| Party: | Free Democratic Party |
Johann Karl Emmanuel Schenk (1 December 1823 – 18 July 1895) was a Swiss pastor, politician, and member of the Swiss Federal Council from 1863 until his death in 1895. Serving for, he was the longest-serving member in the Federal Council. Later in life he became one of the first leaders of the Swiss Red Cross.
Schenk was born in 1823 in Bern, Switzerland, as the son of Christian Schenk. At the age of eleven, he became an orphan and lived in Korntal (Germany). From 1839 to 1842 he attended school in Bern and then studied theology. He completed his studies at the age of 22. In 1845 he became vicar and later pastor at Schüpfen. In 1848, he married Elise Kähr. The couple had nine children, two of which died at young age.
He was elected to the Swiss Federal Council on 12 December 1863 and died in office 31 years later, on 18 July 1895. He was affiliated with the Free Democratic Party of Switzerland.
During his time in office he held the following departments:
He was President of the Confederation six times in 1865, 1871, 1874, 1878, 1885 and 1893.
Schenk also served as President of the Swiss Red Cross from 1873–1882.
Schenk died 1895 in Bern, and was buried at Bremgartenfriedhof.
The local museum of Langnau im Emmental "Chüechlihus" includes a section on him. Schenkstrasse in Bern is named after him. Further, the house at Spitalgasse 4 in the city of Bern is named Karl-Schenk-Haus and its passage Karl-Schenk-Haus-Passage or Karl-Schenk-Passage.
. Virgile Rossel. Un magistrat républicain : le conseiller fédéral Schenk. 1909. French. Delémont.