Esenwein & Johnnson was an architectural firm of Buffalo, New York.
It was a partnership of German-born August Esenwein (1856-1926) and James A. Johnson (1865-1939).
The partnership was started in 1898;[1] the firm designed "many of Buffalo's outstanding buildings including the Lafayette High School and the General Electric Building".
[2] A number of their works are listed on the U.S. National Register of Historic Places.
[3] In 2007, the Buffalo History Museum, then called the Buffalo and Erie County Historical Society, held an exhibition of their work entitled, "Art Nouveau and Other Expressions: Rediscovering the Architecture of Esenwein & Johnson.