| Samuel Lambert | |
| Birth Name: | Samuel Cahen |
| Birth Date: | 15 June 1806 |
| Birth Place: | Lyon, France |
| Death Place: | Brussels, Belgium |
| Nationality: | Belgian |
| Occupation: | Banker |
| Years Active: | 1830–1875 |
Samuel Lambert (15 June 1806 – 9 April 1875) was a French-born Belgian banker of Alsatian Jewish descent. He was an agent of de Rothschild Frères in Belgium.
In 1830, he joined his father-in-law Lazare Richtenberger, who had already served as the Rothschild's agent in Brussels.[1] He moved to Antwerp in 1850 to establish another branch of the Rothschild banking house, but returned to Brussels after Richtenberger's death in 1853, where he reorganized the Brussels and Antwerp branches under the name of Banque Lambert.[2]
Lambert had four children: