Neal Woodside Allen was an American politician and businessperson based in Portland, Maine. He was involved in local government during a significant period of municipal reform in the city. Allen was elected to Portland's first city council in December 1923, following the establishment of a council-manager government. He served as chairman of the Portland City Council twice, including the period from 1925 to 1926. In 1942, he was appointed as one of the founding members of the Portland Planning Board and regularly served as its chair. Beyond politics, Allen was a businessman in the auctioneering trade. In 1912, he purchased the F. O. Bailey company, an established auctioneering business, which he retained until his death.