AABA

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"