Le nozze di Figaro ( in English : The Marriage of Figaro ) is an opera by Wolfgang Amadeus Mozart composed in 1786 . Le nozze di Figaro , ossia la folle giornata ( The Marriage of Figaro , or The Day of Madness ) , K. 492 , is an opera buffa ( comic opera ) composed in 1786 in four acts by Wolfgang Amadeus Mozart , with Italian libretto by Lorenzo Da Ponte , based on a stage comedy by Pierre Beaumarchais , La folle journÃ e , ou le Mariage de Figaro ( 1784 ) .