The Nash Metropolitan is a car that was sold, initially, only in the United States and Canada, from 1954–1962.

It conforms to two classes of vehicle: economy car and subcompact car. In today’s terminology the Metropolitan is a “subcompact”, but this category had not yet come into use when the car was made. At that time, it was variously categorized, for example as a "small automobile" as well as an "economy car".

The Metropolitan was also sold as a Hudson when Nash and Hudson merged in 1954 to form the American Motors Corporation (AMC), and later as a standalone marque during the Rambler years, as well as in the United Kingdom and other markets.

While most U.S. automobile makers were following a "bigger-is-better" philosophy, Nash Motor Company executives were examining the market to offer American buyers an economical transportation alternative. The Metropolitan was designed in the U.S. and it was patterned from a concept car, the NXI (Nash Experimental International), that was built by Detroit-based independent designer William J. Flajole for Nash-Kelvinator. It was designed as the second car in a two car family, for Mom taking the kids to school or shopping or for Dad to drive to the railroad station to ride to work: the "commuter/shopping car" with resemblance to the big Nash, but the scale was tiny as the Met's wheelbase was shorter than the Volkswagen Beetle's.