Albert Bloch (August 2, 1882 – March 23, 1961) was an American Modernist artist and the only American artist associated with Der Blaue Reiter (Blue Rider), a group of early 20th-century European modernists.
He was born in St. Louis, Missouri. He first studied art at the St. Louis School of Fine Arts. Between 1905 and 1908 he worked as a caricaturist and illustrator for William Marion Reedy's literary and political weekly The Mirror. From 1909 to 1921, Bloch lived and worked mainly in Germany.