Aa (Möhne)
Aa (Nethe)
Aa (river, France)
Aabach (Afte)
Aabach (Hessel)
Aal (Kocher)
Aalbach (Main)
Aalbek (Hemmelsdorfer See)
Aalbek (Stör)
Aalenbach
Aan River
Aar (Dill)
Aar (Lahn)
Aar (Twiste)
Aarbach
Aare
Aarhus (river)
Aavoja
Abaeté River
Abakan River
Abasha (river)
Abashiri River
Abaucán River
Abava
Abba River
Abbabach
Abbert River
Abbey River, Limerick
Abe River
Abercrombie River
Aberfoyle River
Aberjona River
Abiaí River