11 East Forsyth, formerly known as the Lynch Building and the American Heritage Life Building, is a historic structure in Jacksonville, Florida. Originally developed by Stephen Andrew Lynch, as its current name suggests, it is located at 11 East Forsyth Street in Downtown Jacksonville. On December 23, 2003, it was added to the U.S. National Register of Historic Places.

Stephen Andrew Lynch, known more commonly as S.A. Lynch, was an early motion picture industry pioneer.