Jennie Grossinger (June 16, 1892 – November 20, 1972) was an Austrian-American hotel executive and philanthropist. She is considered one of the great hostesses of 20th-century. She was the hostess of one of the largest Borscht Belt resorts, Grossinger's Catskill Resort Hotel. Beginning from the 1930s, she started to give up many of her business responsibilities, and started to devote herself to philanthropic causes. In her life, she had received several honors and awards for her philanthropic and social services.