AA - Aa

Å, letter found in several languages including Swedish, Norwegian and Danish, which can be alternatively transcribed as "aa" (not in Swedish).
Aa River (disambiguation), the name of several waterways in Europe
Aa! Megami-sama or Oh My Goddess!, a popular anime/manga series
Aa (Big A Little a), an American noise rock group
Aa!, a J-Pop musical group
Aa (architect), an architect in ancient Egypt
Aa (lava flow), a type of lava (see below)
Aa (plant), a genus of orchid
Aa, Estonia, a village on northern coast of Estonia