Arthur Bohn, AIA, (1861—1948) was an American architect active from the 1880s to 1940s in Indiana. He was a co-founder of the Indianapolis architectural firm of Vonnegut and Bohn.Working in Indianapolis in the 1880s, Bohn entered into a partnership in 1888 with Bernard Vonnegut Sr., WAA (from 1886), and Fellow (from 1889) to form Vonnegut & Bohn.