Dennis T. Gorski (July 20, 1944 – July 4, 2021) was an American politician in New York and a Marine. A resident of Cheektowaga, New York, Gorski served as County Executive of Erie County, New York, which includes Buffalo and many of its suburbs. He was the first Democrat-elected Erie County Executive and the first Erie County Executive elected to three four-year terms. Gorski was an Erie County Legislator and a member of the New York State Assembly prior to three-term service as county executive. During his second term as County Executive, he ran for Congress to succeed Democrat Henry Nowak, but he was defeated in the general election by Republican Jack Quinn.