TPG may refer to:
- Companies
- TPG Capital, private equity firm
- TPG Telecom, telecommunications company
- Transports Publics Genevois, public transportation system operator in Geneva, Switzerland
- Royal TPG Post, former name of Royal TNT Post, a subsidiary of TNT N.V., a Dutch transportation company
- Other
- Third Party Grading, a term used to refer to coin grading, authentication and encapsulation companies
- Tortoise Protection Group, a non-profit organisation