WGW may refer to:
- Wagawaga language (New Guinea) – former ISO 639 code WGW; later split into codes YLB (Yaleba) and WGB (Wagawaga)
- Whitby Goth Weekend, a goth music festival in North Yorkshire, England
- Wigan Wallgate railway station, Greater Manchester, England (station code WGW)
- WorldGenWeb, genealogy project
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