APU
- AMD APU
- Alaska Pacific University
- Aliança Povo Unido
- American Public University
- Amherst Political Union
- Anglia Polytechnic University
- Aparajito
- Applied Psychology Unit
- Appu (disambiguation)
- Apu (1899 icebreaker)
- Apu (god)
- Apu (magazine)
- Apu Nahasapeemapetilon
- Apucarana Airport
- Apur Sansar
- Audio processing unit
- Augusto Pinochet Ugarte
- Auxiliary power unit
- Azim Premji University
- Azusa Pacific University
- Aşağı Apu
- Bibhutibhushan Bandyopadhyay
- Evangelical Church of the old-Prussian Union
- Pather Panchali
- Pather Panchali (novel)
- Ritsumeikan Asia Pacific University
- The Apu Trilogy
- The Problem with Apu
- Upu
- Yuxarı Apu