Aa (river, France)
Aabach (Afte)
Aar (Lahn)
Aavoja
Abba River
Abe River
Abens
Aberfoyle River
Aberjona River
Abiqua Creek
Abita River
Abitibi River
Abloux
Abra River
Abrud (river)
Abucea
Abulog
Acaponeta River
Acaray River
Acari River (Amazonas)
Acari River (Minas Gerais)
Acari River (Rio de Janeiro)
Achankovil
Achelous River
Acher
Acheron
Achiguate River
Acolin
Acquafraggia
Acul River
Adcock River
Adda (river)
Adige
Adobe Creek (Sonoma County, California)
Adona (river)
Adour