UWC may refer to:
- Ukrainian World Congress, the umbrella organization of Ukrainian diaspora communities.
- Ulster Workers' Council, a grouping of loyalist and unionist workers in Northern Ireland responsible for the 1974 Ulster Workers' Strike
- Unanimous Written Consent, allows a company's board of directors to take actions without a formal board meeting.
- United World Colleges, a group of international schools
- United Wrestling Coalition, a wrestling promotion in Burlington County, New Jersey
- University of the Western Cape, a university in South Africa
- University of Wisconsin Colleges
- Upper Wind Chart, used as a navigational aid in aviation