The Mikado; or, The Town of Titipu is a comic opera in two acts, with music by Arthur Sullivan and libretto by W. S. Gilbert. It is especially popular with amateur and school productions and is one of the most frequently played musical theatre pieces in history.

Setting the opera in Japan, an exotic locale far away from Britain, allowed Gilbert to satirise British politics and institutions more freely by disguising them as Japanese. Gilbert used foreign or fictional locales in several operas, including The Mikado, Princess Ida, The Gondoliers, Utopia, Limited and The Grand Duke, to soften the impact of his pointed satire of British institutions.