IPU
- Akhmim
- Data processing unit
- Graphcore
- Guru Gobind Singh Indraprastha University
- Image processor
- Independence Party (Finland)
- Indraprasta PGRI University
- Inter-Parliamentary Union
- Interconnect processing unit
- International Agrarian Bureau
- International Pacific University
- International Pop Underground Convention
- International Psychoanalytic University Berlin
- Interplanetary Phenomenon Unit
- Invisible Pink Unicorn
- Ipu
- Ipu (nurse)
- Ipu, Ceará
- Irish Postal Union
- Irish Print Union
- Ishikawa Prefectural University
- Isoproturon
- Iwate Prefectural University
- List of military and civilian missions of the European Union
- Network interface controller