Joseph A. Jackson (1861–1940) was an American architect who designed many buildings for Roman Catholic clients in the Eastern United States, especially Connecticut.

Jackson was born 1861 in Waterbury, Connecticut and studied in the public schools of the city.

After High school he studied for one year at St. Francis College, Brooklyn, New York.

Having decided to make architecture his profession, he worked first with Albert M. West, and afterward with Robert W. Hill (1881–1887).

Plans and Consultations on all matters pertaining to Church Designing and Construction.”[1] He maintained a satellite office at 184 Livingstone Street, New Haven, Connecticut, as well as his main office in the Townsend Building, 1123 Broadway New York City.