Joseph Hugh Allen (January 27 1940 – May 24 2008) was a Democratic member of the Texas House of Representatives from the industrial city of Baytown who fought for ethics reform. He was among the bipartisan Dirty Thirty lawmakers who in 1971 pushed for the ouster of Speaker Gus Mutscher of Brenham in Washington County who was subsequently convicted of accepting bribes in exchange for the passage of banking legislation in what is known as the Sharpstown scandal.