Alex Rose (15 October 1898 – 28 December 1976) was a labor leader in the United Hatters of North America (UHNA) and the United Hatters, Cap and Millinery Workers International Union (UHCMW), a co-founder of the American Labor Party, and vice-chairman of the Liberal Party of New York.

After secondary school, Rose immigrated to the United States, having been denied a Polish university education because he was Jewish.

Because the communists acquired influence in the ALP, in 1944 Rose, along with David Dubinsky, Ben Davidson, and others founded the Liberal Party of New York.

In 1966 Rose successfully lobbied Senator Robert F. Kennedy to campaign on behalf of judge Samuel Silverman to clean up corruption from the surrogate court.

One block of W. 186th Street in Manhattan (between Chittenden Avenue & Cabrini Boulevard) is named "Alex Rose Place."