Seth Allan Berry (born November 1, 1968) is an American business, education and policy leader from the state of Maine. Berry ran 7 times from 2006 to 2020 for a seat in the Maine House of Representatives and was elected each time, representing Bowdoin, Bowdoinham, Richmond, and Swan Island, an historic wildlife preserve in the Kennebec River. In the Legislature, Berry was elected by his peers to serve as Majority Whip and later as Majority Leader, and served as chair of the committee on Energy, Utilities and Technology, chair of the Joint Select Committee on Maine's Workforce and Economic Future (2015-2016), and as lead Democrat on the committee overseeing tax policy.