Judson Allen (April 3, 1797 – August 6, 1880) was an American businessman and politician, who served as a member of the United States House of Representatives for New York's 20th district.

[1] Allen was engaged in the lumber industry in Plymouth, before he moved to Harpursville, New York.

[1] In 1839, Allen was elected on the Democratic ticket to the United States House of Representatives for the twentieth district of New York for the twenty-sixth United States Congress.

[1][2] Upon leaving the Congress, Allen moved to Saint Louis, Missouri, where he was actively involved in the produce, lumber, marble, and grocery fields.

Roena died on December 2, 1830, and he married her sister, Sabra Badger, on 4 June 1835.