Roger T. Allen (born: ) is a former territorial level politician from Northwest Territories, Canada. Allen was first elected to the Northwest Territories Legislature in the 1999 Northwest Territories general election. He defeated future Commissioner Glenna Hansen to win the new Inuvik Twin Lakes electoral district. Allen was re-elected in the 2003 Northwest Territories general election defeating three other candidates with 55% of the vote. Allen became mired in a scandal after he was found to be living in a residence outside of the Northwest Territories in Grimshaw, Alberta.