Horace Meach Singer (October 1, 1823 – December 28, 1896) was an American businessman and politician from New York. Coming with his father to Lockport, Illinois work on the Illinois & Michigan Canal, Singer rose to become superintendent of repairs. In the course of his work, he came across a large quarry near Lemont, Illinois and established a company to mine it. Singer & Talcott was in operation until 1889. In 1866, Singer served a term in the Illinois House of Representatives, then was elected to the Cook County Board of Commissioners in the 1870s.