The Lesson (French: La Leçon) is a one-act play by French-Romanian playwright Eugène Ionesco.

[1] Since 1957 it has been in permanent showing at Paris' Théâtre de la Huchette, on an Ionesco double-bill with The Bald Soprano.

The Danish choreographer Flemming Flindt adapted the play as the libretto to a score by Georges Delerue for his first ballet, The Private Lesson (Enetime) in 1963.

[5] In 2009, PK Productions, under the direction of Patrick Kennedy staged the play at the Edinburgh Fringe Festival as a naturalistic drama.

[6] The minimalist theatre company, Cesear’s Forum, presented the play in combination with an abridged version of Ugo Betti’s The Fugitive at Playhouse Square, Cleveland, OH in 2023.