WOA may refer to: Computing Web-oriented architecture, a computer systems architectural style Windows on ARM (disambiguation), a series of operating systems for ARM architecture computers WebObjects application, the file system suffix of an application written using the WebObjects framework from NeXT, later Apple
Wars War of Attrition, a conflict between Israel and Egypt War of aggression
Music Wacken Open Air, the largest exclusively metal music festival in the world War of Ages, metalcore band from Pennsylvania
Sports World Olympians Association Welsh Orienteering Association
Other uses World Ocean Atlas World of Art, a series of books on art the ICAO airline designator for World Airways