Harry Ralston Poole (January 4, 1915 – July 7, 1994) was an American labor union leader.
Born in Bridgeville, Delaware, Poole became a meat cutter in Philadelphia in 1933, and immediately formed a new local of the Amalgamated Meat Cutters.
He also served as president of the Food and Beverage Trade Department of the AFL-CIO.
He led it into a merger with the Retail Clerks International Union, forming the United Food and Commercial Workers.
On completion, in 1979, this was the largest merger in American labor union history.