Acronym | Definition |
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IHSA➣Illinois High School Association |
IHSA➣Intercollegiate Horse Show Association |
IHSA➣Illinois Head Start Association (est. 1978) |
IHSA➣Institut Hukum Sumberdaya Alam (Indonesian: Natural Resources Law Institute; Jakarta, Indonesia) |
IHSA➣Iowa Head Start Association (Lamoni, IA) |
IHSA➣Industrial Hygiene Student Association (industrial health education and research student group; various universities) |