Arthur Day may refer to:
Arthur Day (English cricketer) (1885–1969), English cricketer Arthur Day (Australian cricketer) (born 1933), Australian cricketer Arthur Day (golfer) (1878–1946), English golfer Arthur Louis Day (1869–1960), American geological physicist Arthur H. Day (1890–1967), American lawyer and politician from Ohio A. Grove Day (1904–1994), author, teacher, and authority on the history of Hawaii See also Arthur's Day, an annual series of music events worldwide