Rhenania is the Latinised name for the Rhineland or the Rhenish in a wider sense and may refer to:
Rhenania Alt, an ale from the German brewer Krombacher Brewery Rhenania Buchversand, a German publishing company Rhenania-Ossag, a German mineral oil company; see German-American Petroleum Company BSV Limburgia, a Dutch football club originally named Rhenania Corps Rhenania Heidelberg, a student fraternity in Heidelberg, Germany Corps Rhenania Tübingen, a student fraternity in Tübingen, Germany SS Rhenania, a list of ships
See also Rhenanida, an order of scaly placoderms