Déjeuner (French: luncheon or in Canada: breakfast) may refer to:

• Le Déjeuner en fourrure, nickname for Object, 1936 surrealist sculpture by Méret Oppenheim
• Le déjeuner sur l'herbe 1862/3 painting by Édouard Manet
• Le Déjeuner des Canotiers 1881 painting by Pierre-Auguste Renoir

• Iranian Army Order of Battle
• Iranian art
• Iranian assassination plot of ASMLA leadership in Denmark
• Iranian Assembly of Experts
• Iranian Assembly of Experts election, 1982
• Iranian Assembly of Experts election, 1990
• Iranian Assembly of Experts election, 1998
• Iranian Assembly of Experts election, 2006
• Iranian Assembly of Experts election, 2016
• Iranian Assyrian
• Iranian Australian
• Iranian banking system
• Iranian Basketball Super League 1999-2000
• Iranian Basketball Super League 2010-11
• Iranian Call and Reform Organisation
• Iranian Call and Reform Organization
• Iranian Canadian
• Iranian CAO
• Iranian cat snake
• Iranian Center for Strategic Studies
• Iranian Central Bank
• Iranian Chess Champion
• Iranian civilization
• Iranian clubs in the AFC Champions League
• Iranian Colombians