Saint Ruth or St Ruth's may refer to:St Ruth, Queensland, Australian locality St. Ruth Missionary Baptist Church, Dania Beach, Florida, U.S.A. Ruthenius, martyred companion of Saint Denis of Paris Ruth, a Moabite who marries an Israelite in the Hebrew Bible Charles Chalmot de Saint-Ruhe, a French cavalry officer erroneously called "Saint-Ruth" in many English-language sources