TGI
Appearance
TGI may refer to:
- Technical Group of Independents (1999–2001)
- The Genome Institute
- The Ghost Inside (band), an American band formed in 2004
- The Great Impersonator, a 2024 album by Halsey
- TGI Friday's, a restaurant chain
- Thermal grill illusion, a sensory illusion originally demonstrated in 1896 by the Swedish physician Torsten Thunberg
- Thyroid growth immunoglobulin, found in Graves' disease
- Tribunal de grande instance de Paris
- Triumph Group's NYSE ticker symbol
- Target Group Index, a subsidiary of market research company Kantar Group