IIP
IIP stands for:
- Idiopathic interstitial pneumonia
- Index of Industrial Production, see Production Index
- Institute International de Philosophy
- International Ice Patrol
- Inventory to record interpersonal problems , a self-assessment questionnaire to record interpersonal problems
- Invisible IRC Project
- Input Intercept Point, see Intercept Point (signal processing)
- Investors in People or Investor in People
- Irish Independence Party , a party founded in Northern Ireland in 1977
