A Night at the Opera

A Night at the Opera may refer to:


 * A Night at the Opera (film) (1935), a Marx Brothers comedy film
 * A Night at the Opera (Queen album) (1975), by rock band Queen
 * A Night at the Opera (Blind Guardian album) (2002), by power metal band Blind Guardian
 * A Night at the Opera (chess), a famous chess game played during an opera, in which Paul Morphy defeated Duke Karl II of Brunswick and Count Isouard
 * "A Night at the Opera", an episode of the television series Never the Twain
 * "A Night at the Opera", a TV special stand-up comedy show by comedian Jackie Mason.

Night at the opera may refer to:
 * Initial states of the Belgian Revolution of 1830