| Daniel Weisweiller | |
| Birth Date: | 1814 |
| Birth Place: | Frankfurt, Germany |
| Death Place: | Paris, France |
| Nationality: | Spanish |
| Occupation: | Banker |
Daniel Bernard Weisweiller (1814 – 13 January 1892) was a German-born Spanish banker of Jewish descent. He was an agent of Rothschild banking house in Madrid, taking over from Lionel de Rothschild in 1834.[1] According to Niall Ferguson, Weisweiller was "the most important Rothschild agent in the 1830s."[2]
Weisweiller married Adeline Helbert in 1843. The couple had one daughter, Adela Weisweiller (1845–1925) who married,[3] the mayor of Cannes (1902–1928).