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" (Never the Twain), a 1981 television episode
• "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