The SS President Hayes was a passenger ship that operated in the mid-20th century. Launched in 1940, it was named after Rutherford B. Hayes, the 19th President of the United States. The ship was primarily used for transporting passengers and cargo between the United States and various destinations in South America. The vessel was part of the American President Lines fleet and played a significant role in post-World War II maritime travel. It was known for its comfortable accommodations and amenities, catering to both leisure travelers and those on business voyages. The SS President Hayes was eventually retired from service in the 1970s.