WAI stands for Web Accessibility Initiative (W3C)
WAI stands for Who Am I?
WAI stands for Where Am I?
WAI stands for Women in Aviation, International
WAI stands for What an Idiot
WAI stands for William Angliss Institute (Australia)
WAI stands for Weidlinger Associates, Inc. (various locations)
WAI stands for Wales Arts International (UK)
WAI stands for Wetherill Associates, Inc. (Exton, PA)
WAI stands for War Against Indiscipline (Nigeria)
WAI stands for Warm Air Intake
WAI stands for Web Application Interface
WAI stands for Water to Air Intercooler (engines)