AABA may refer to:

AABA form, a musical form common in Tin Pan Alley songs All-American Basketball Alliance, a defunct basketball league All-American Basketball Alliance (2010), an unrelated all-white basketball league announced in 2010 alpha-Aminobutyric acid, an isomer of the amino acid aminobutyric acid Altaba ticker symbol Rhyme scheme of the Rubaʿi, a type of Persian poem, also known as "Rubaiyat Quatrain"

See also Aaba, a village in the Koura District of Lebanon