Arlington Nelson Lindenmuth (also A.N. Lindenmuth) (1856–1950) was an American landscape and portrait painter who lived and painted in Allentown, Pennsylvania and the Lehigh Valley region of the United States. He is a member of the Baum Circle, the group of artists either taught by, associated with, or directly influenced by Pennsylvania impressionist painter Walter Emerson Baum.
Lindenmuth was also one of the earliest professional photographers in the Lehigh Valley, and for many decades he owned and operated a successful photography studio, located on Sixth Street in Allentown, directly across the street from the Lyric Theatre. As early as 1882, he was also employed as a traveling sales representative for Eastman Kodak.