WGI may refer to:
Winter Guard International, an organization for pageantry and performing arts Worldwide Governance Indicators, an index built by the World Bank to evaluate country governance World Governance Index, index developed in 2008 by Forum for a new World Governance WGI (radio station), an early commercial radio station in Medford Hillside, Massachusetts Watkins Glen International, a racetrack in western New York State World Giving Index, an annual report published by the Charities Aid Foundation