Herman Platt was an American business executive and philanthropist. He and his wife endowed the Marjorie and Herman Platt Gallery. Platt was also the president of Sinai Temple (Los Angeles, California) for two years. Platt was the president of Vista del Mar Charities and was one of the men responsible for creating Mount Sinai Memorial Park Cemetery. In 2005, Mount Sinai named its chapel and administrative buildings after Platt.