IIA explained

IIA or Iia may refer to:

• Independence of irrelevant alternatives
  • Indian Institute of Architects Indian Institute of Astrophysics
• Indianapolis International Airport
• Institute of Internal Auditors
• Information Industry Association
• International Investment Agreement
• Islamabad International Airport
• IIa or II-a, a subtype of Type II supernova
• A rating in the Hong Kong motion picture rating system
• Iia, Estonia, village in Estonia

See also

• 2A (disambiguation), including a list of topics named II-A, etc.