See also: Appendix:Variations of "wo"
- (international standards) Indeterminately reserved ISO 3166-1 alpha-2 country code for World Intellectual Property Organization.
This is an indeterminately reserved code, included as part of ISO 3166-1 on the request of the World Intellectual Property Organization due to its use in the WIPO ST.3 standard, and is not endorsed for general use by the ISO.
WO (plural WOs)
- (military) Initialism of .