[list of airports by iata code: a \- A] - AB
- ABA (UNAA) – Abakan Airport – Abakan, Russia
- ABB (EGUD) – RAF Abingdon – Abingdon, England, United Kingdom
- ABC (LEAB) – Los Llanos Airport – Albacete, Spain
- ABD (OIAA) – Abadan Airport – Abadan, Iran
- ABE (KABE) – Lehigh Valley International Airport – Allentown, Pennsylvania, United States
- ABF (NGAB) – Abaiang Atoll Airport – Abaiang, Kiribati
- ABG – Abingdon Airport – Abingdon, Queensland, Australia
- ABH (YAPH) – Alpha Airport – Alpha, Queensland, Australia
- ABI (KABI) – Abilene Regional Airport – Abilene, Texas, United States
- ABJ (DIAP) – Port Bouet Airport (Felix Houphouet Boigny International Airport) – Abidjan, Ivory Coast
- ABK (HAKD) – Kabri Dar Airport – Kabri Dar (or Kabre Dare), Ethiopia
- ABM (YBAM) – Bamaga Injinoo Airport – Bamaga, Queensland, Australia
- ABN – Albina Airport – Albina, Suriname
- ABO (DIAO) – Aboisso Airport – Aboisso, Ivory Coast
- ABO – Antonio (Nery) Juarbe Pol Airport – Arecibo, Puerto Rico
- ABP – Atkamba Airport – Atkamba, Papua New Guinea
- ABQ (KABQ) – Albuquerque International Sunport – Albuquerque, New Mexico, United States
- ABR (KABR) – Aberdeen Regional Airport – Aberdeen, South Dakota, United States
- ABS (HEBL) – Abu Simbel Airport – Abu Simbel, Egypt
- ABT (OEBA) – Al-Aqiq Airport – Al-Baha, Saudi Arabia
- ABU (WRKA) – Haliwen Airport – Atambua, Indonesia
- ABV (DNAA) – Nnamdi Azikiwe International Airport – Abuja, Nigeria
- ABW – Abau Airport – Abau, Papua New Guinea
- ABX (YMAY) – Albury Airport – Albury, New South Wales, Australia
- ABY (KABY) – Southwest Georgia Regional Airport – Albany, Georgia, United States
- ABZ (EGPD) – Dyce Airport – Aberdeen, Scotland, United Kingdom
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