Arthur Lewis Acker (July 17, 1891 – December 24, 1990) was an American football, basketball, baseball, track and field, tennis, and boxing coach. He served as the head football coach at Chico State College—renamed from Chico State Teachers College in 1935 and now known as California State University, Chico—from 1923 to 1937, compiling a record of 53–59–8. Acker was also the head basketball coach at Chico State from 1924 to 1947, tallying a mark of 339–205.