Goldsmith Whitehouse Hewitt (February 14, 1834 – May 27, 1895) was a U.S. Representative from Alabama.

Born near Elyton (now Birmingham), Jefferson County, Alabama, Hewitt attended the country schools. Entered the Confederate States Army in June 1861 as a private in Company B, 10th Regiment Alabama Infantry. Promoted to captain of Company G, Twenty-eighth Regiment, Alabama Infantry, in 1862. Graduated from Cumberland School of Law at Cumberland University, Lebanon, Tennessee, in 1866. Admitted to the bar the same year and commenced practice in Birmingham, Alabama.^[2]

Hewitt served as member of the State house of representatives in 1870 and 1871, and as a member of the State senate from 1872 to 1874, resigning in the latter year. Elected as a Democrat to the Forty-fourth and Forty-fifth Congresses (March 4, 1875 – March 3, 1879). Elected to the Forty-seventh and Forty-eighth Congresses (March 4, 1881 – March 3, 1885). Served as chairman of the Committee on Pensions (Forty-eighth Congress). He was not a candidate for renomination in 1884.^[2]

Hewitt resumed the practice of law and again served as member of the State house of representatives in 1886–1888. He died in Birmingham, Alabama, on May 27, 1895, and was interred in Oak Hill Cemetery.^[2]