| Juan Manuel del Mar | |
| Office: | 4th Vice President of Peru |
| President: | Ramón Castilla |
| Term Start: | October 24, 1858 |
| Term End: | June 16, 1862 |
| Predecessor: | Office reestablished (Last held by Antonio Gutiérrez de la Fuente in 1831) |
| Successor: | Vacant (Juan Antonio Pezet and Pedro Diez Canseco elected in October 1862) |
| Office1: | 1st Prime Minister of Peru |
| Term Start1: | December 1856 |
| Term End1: | 1857 |
| President1: | Ramón Castilla |
| Predecessor1: | Office established |
| Successor1: | José María Raygada y Gallo |
| Office3: | Minister of Government, Worship and Public Works |
| President3: | Ramón Castilla |
| Term Start3: | April 1, 1857 |
| Term End3: | July 13, 1858 |
| Predecessor3: | Ignacio de Osma |
| Successor3: | Manuel Morales |
| Office4: | Minister of Government, Justice and Worship |
| President4: | Ramón Castilla |
| Term Start4: | December 1855 |
| Term End4: | October 24, 1856 |
| Predecessor4: | Manuel Toribio Ureta |
| Successor4: | Jervasio Alvarez y Montaño |
| Office6: | Senator from Cusco |
| Term Start6: | 1845 |
| Term End6: | 1846 |
| Office9: | Member of the Chamber of Deputies |
| Constituency9: | Paucartambo, Cusco |
| Term Start9: | July 29, 1832 |
| Term End9: | December 22, 1832 |
| Birth Date: | 29 December 1805 |
| Birth Place: | Lima, Viceroyalty of Peru |
| Death Place: | Lima, Peru |
| Nationality: |  Peruvian |
| Occupation: | Statesman |
| Profession: | Lawyer |
| Alma Mater: | Saint Anthony the Abbot Seminary |
| Parents: | Pablo del Mar Margarita Bernedo |
| Spouse: | Clara Buendía y Carrillo |
Juan Manuel del Mar Bernedo (December 29, 1805 – June 16, 1862) was a 19th-century Peruvian politician. He served as the 4th Vice President of Peru from October 1858 to June 1862.[1]