AZU may refer to:
- Azu (born 1981), Japanese R&B singer
- Azubuike Ishiekwene or Azu (born 1965), Nigerian journalist
- Aji (Ryūkyū) or azu, a title of nobility in the Ryūkyū Kingdom
- AZU, several models of the Citroën 2CV automobile
- Azu, a fictional character in the 1997 video game Mahō Gakuen Lunar!
- Azu (meat stew), Tatar dish