Eunice Groark (February 1, 1938 – May 8, 2018) was an American politician who was the first woman elected lieutenant governor of Connecticut in 1990. Groark ran on the ticket of A Connecticut Party (ACP) with Lowell Weicker, winning the election with 41% of the vote. After Weicker declined to run for a second term, Groark ran for governor on the A Connecticut Party ticket but lost the election to Republican candidate John G. Rowland.