Glo or GLO may refer to:

• 3267 Glo, an asteroid
• Gulonolactone oxidase

• GLO Airlines, a defunct American airline
• Glossop railway station, England
• Gloucestershire Airport, England
• Gol Transportes Aéreos

• Glo (album), by the band Delirious?
• Glo (band), a Canadian band
• Glo, Kentucky
• Galambu language
• United States General Land Office, a former US agency
• glo, a heated tobacco product from British American Tobacco
• Globacom, a Nigerian telecommunications company
• Group litigation order, in England and Wales
• Kobo Glo, an e-reader
• Greek letter organizations, fraternities and sororities on colleges and Universities
• Lhoba people, an ethnic group in southeastern Tibet
• Texas General Land Office, a state agency

• Glow (disambiguation)