Ira Wells Wood (June 19, 1856 in Wilkes-Barre, Pennsylvania – October 5, 1931 in Trenton, New Jersey) was an American Republican Party politician who represented New Jersey's 4th congressional district from 1904 to 1913. Wood was elected as a Republican to the Fifty-eighth Congress to fill the vacancy caused by the resignation of William M. Lanning. He was reelected to the Fifty-ninth and to the three succeeding Congresses and served from November 8, 1904, to March 3, 1913, but declined to be a candidate for reelection to the Sixty-third Congress.