James Amasa Clough (January 24, 1850 – May 22, 1917), often referred to as James A. Clough or J. A. Clough, was an American architect, carpenter, and contractor, who was active in New England, especially prominent in Western Massachusetts, and whose work shaped much of the architectural landscape of Holyoke during the late 19th and early 20th centuries. He would design several commercial blocks and public buildings there, such as the Holyoke Public Library, and the . The principal architect of the firm Clough & Reid, much of his work appeared under this name after 1890, when he made a partner- Reid having spent several years prior as Clough's draftsman. He remained principal of this firm until his retirement in 1907. One of Clough's other protégés, George P. B. Alderman, went on to estab