Joseph Ackroyd (November 23, 1847 in Little Falls, Herkimer County, New York – March 15, 1915 in Utica, Oneida County, New York) was an American politician from New York.
He attended the common schools in New York Mills, and Whitestown Seminary and Business College. Then, he became a grocer. He married Adelaide Hoag (1848–1936), and they had two children.
Ackroyd was Supervisor of the Town of Whitestown in 1882; and a member of the New York State Assembly (Oneida Co., 2nd D.) in 1884. He was a member of the New York State Senate (36th D.) in 1907 and 1908.
He died suddenly on March 15, 1915, at his home in Utica, "while reading a newspaper"; and was buried at the Glenside Cemetery in New York Mills.