What does WAO stand for?

Outagamie County Hospital, Appleton, WI - Library symbol - Library of Congress (LCLS)

Wappo - Language code (ETLW)

Warren Arms Corp. - NCIC firearms make code (NCIC)

Waste Acceptance Operations - Office of Environmental Management, Department of Energy (DEEM)

Weapons Assignment Officer - Air Force (AFM)

Western Australian Opera

Wet-Air Oxidation (PDAA)

Wild Animal Orphanage - Association (EA)

Wing Artillery Officer (SAUS)

Women's Aid Organization - Malaysia (BUAC)

Women's American ORT (EA)

World Association for Orphans and Abandoned Children (BUAC)