Titus Brown (February 11, 1786 – January 29, 1849) was a United States Representative from New Hampshire. He was born in Alstead, New Hampshire. He graduated from Middlebury College in Vermont in 1811. He then studied law and was admitted to the bar and commenced practice in Reading, Vermont in 1814. Later, he moved to Francestown, New Hampshire in 1817 and continued the practice of law.
Brown was a member of the New Hampshire House of Representatives 1820–1825. He was the Solicitor of Hillsborough County 1823–1825 and 1829–1834. He was elected as an Adams Republican candidate to the Nineteenth and Twentieth Congresses (March 4, 1825 – March 3, 1829). In 1829, he was not a candidate for reelection. After leaving Congress, he was a member of the New Hampshire Senate and served as its president in 1842. He also was the chairman of the boards of bank and railroad commissioners at the time of his death. He died in Francestown in 1849 and was buried in Mill Village Cemetery.