Warburg Union
- Country: United States
- Type: Commercial
- Website: walgreensbootsalliance.com
- Update: 05-02
Walgreens Boots Alliance (Walgreens Boots Alliance; Walgreens Boots Associates) is one of the world's largest pharmaceutical and healthcare companies, formed in 2014 by the merger of Walgreens and Alliance Boots, and headquartered in Deerfield, Illinois. Walgreens Alliance was ranked 47th in the 2016 Fortune 500.