Louis Abraham Lerner (June 12, 1935 – November 14, 1984) was an American businessman, publisher, political activist and ambassador.

He also served as a trustee of the American Scandinavian Foundation, the Planned Parenthood Federation and the American Council for United States and Italy at the time of his death.

Lerner was for several years politically active for the Democratic Party in Chicago.

Ambassador to Norway by President Jimmy Carter on July 15, 1977 (Presentation of Credentials took place on August 23, 1977, to King Olav V of Norway), where Lerner stayed in office in Oslo until January 28, 1980.

[1][2] Louis A. Lerner died of cancer in Chicago on November 14, 1984, only 49 years of age.