Eleanor Manning Kieliszek (September 25, 1925 – May 16, 2017) was an American politician who served as the Mayor of Teaneck, New Jersey, for two tenures, 1974 to 1978 and 1990 to 1992, as well as an elected member of the Teaneck Township Council for 30 years from 1970 until 2000. Notably, Kieliszek was the first woman to serve as the mayor of Teaneck and the first woman elected to the township council.