In popular culture

"Weird Al" Yankovic says that his favorite car is the Nash Metropolitan, and he tends to feature a brown and white car in his films and music videos.
In the movie UHF, the character played by "Weird Al" Yankovic drives a Nash Metropolitan.
Right Hand Drive models were sold in the U.S. to be used by Police Departments for parking enforcement duties.
The brochure for the Austin Metropolitans used a "reversed" negative to show an apparently "Right-Hand Drive" car parked in an English country town (Chipping Campden), as only "Left-Hand Drive" models were available at the time the photos were taken.
The car in the 2004 movie "The Incredibles" that Mr. Incredible drives near the beginning (and smashes it) resembles a Nash Metropolitan, but a bit boxier.
In May 1960 Car Mart Ltd. (a large Austin Dealership in London, UK) presented Princess Margaret with a specially prepared Metropolitan as a wedding present. It was stolen in London in February 1961.
In the 2007 movie Nancy Drew, Nancy(Emma Roberts) drives a Nash Metropolitan.