Metropolis is a fictional city that appears in comic books published by DC Comics, and is the home of Superman. Metropolis first appeared by name in Action Comics #16, in 1939.

Within the DC Universe, Metropolis is portrayed as one of the largest and wealthiest cities on earth. The co-creator and original artist of Superman, Joe Shuster, modeled the Metropolis skyline after Toronto, where he was born and lived until he was ten. Since then, Metropolis has become a city inspired by Chicago, Cleveland, Toronto, Vancouver, New York City and Los Angeles.

It is home to Superman, Lex Luthor, Lois Lane, Jimmy Olsen, Perry White and attracts many villains and crime to the city.