English abbreviations from ilcana to ilp
- ILCA-NA (International Laser Class Association North American Region)
- ILD (Lleida-Alguaire Airport)
- ILDS (Improved Landmine Detection System)
- ile (Interlingue language (ISO 639-2 code))
- ILEC (Institute for Leadership, Ethics, and Character, Kennesaw State University)
- ILF (Ilford Airport)
- ILG (New Castle Airport)
- ILGA (International Lesbian and Gay Association)
- ILH (Illisheim Army Airfield)
- I.L.H. (Jus Liberorum Habens ("Possessing the Right of Children" i.e., eligibility to public office under age))
- ILI (InLine Inspection (Intelligent Pigging))
- ILIR (Independent Laboratory In house Research)
- ILK (Atsinanana Airport (Ilaka Airport))
- ILL (illuminating)
- ILM (Wilmington International Airport)
- ILMS (Improved Launcher Mechanical System)
- ILN (Airborne Airpark)
- ILO (International Labour Organization)
- ILOC (Integrated Line of Communications)
- ILOGS (Image Logs)
- ILOM ((spacecraft) In-situ Lunar Orientation Measurement, a mission to measure variations in the orientation of the Moon from the Moon's surface)
- ILP (Moué Airport (Île des Pins Airport))