Abbreviations beginning with H

HAYICOHungarian Association of Youth Information and Counselling Offices (est. 1990; Hungary)
Miscellaneous

HAYOHolland Area Youth Orchestra
Community » Youth

HAYOTHaight Ashbury Youth Outreach Team (California)
Miscellaneous

HAYOTHaitian American Youth of Tomorrow (Miami, FL)
Miscellaneous

HAYPHow Are You PHOTOGRAPHY? (photo exhibition)
Miscellaneous

HAYSHebersham Aboriginal Youth Service
Community » Youth

HAYSHebersham Aboriginal Youth Service (Mount Druitt; South Wales, Australia)
Miscellaneous

HAYSTAQHAve You STored Answers to Questions yet?
Computing » General

HAYSTAQHave You Stored Answers to Questions (US Patent Office and National Bureau of Standards information retrieval system, circa 1958)
Governmental

HAYTHow Are You Today
Internet » Chat

HAZHannoversche Allgemeine Zeitung (German newspaper)
Academic & Science

HAZHayes Lemmerz International, Inc.
Business » NYSE Symbols

HAZHold Approach Zip
Business » Products

HAZHealth Action Zone
Community

HAZHawk Assignment Zone
Governmental » Military