Lehman Kahn (September 9, 1827 – February 4, 1915), also known by the pseudonym L. K. Amitaï, was a Belgian Jewish educationist and writer.

[2] He was educated at the Progymnasium of Breisach and at the polytechnic school and the pedagogic seminary of Carlsruhe.

He also taught singing and conducted the choir at the city's synagogue services.

[4] In October, 1863, he founded L'Institut International Kahn, a school of commerce and modern languages.

[3] Under the pseudonym L. K. Amitaï, he published essays on intermarriage, assimilation, antisemitism, and other topics of concern to the Jewish community.