Ezekiel Albert Straw (December 30, 1819 – October 23, 1882) was an American engineer, businessman, and politician from Manchester, New Hampshire.

Upon leaving Phillips Andover, Straw was hired in the spring of 1838 as an assistant civil engineer at the Nashua & Lowell Railway, then under construction.

On July 4, 1838, he arrived in Manchester, New Hampshire, sent to substitute for a civil engineer at the Amoskeag Manufacturing Company who had become ill.

One of his first duties was laying out lots and streets for the new industrial city as envisioned by Amoskeag's cultured treasurer (president), William Amory.

He was a principal figure in creation of the Manchester waterworks, gas light company and public library.