Walgreen may refer to:
- Charles Rudolph Walgreen
- Charles Rudolph Walgreen Jr.
- Walgreens Boots Alliance Holding company
- The Walgreens, aka The Walgreen Company (WAG)
- Walgreens Health Services (WHS), a business unit of Walgreens
- Walgreen Drug Store (Miami, Florida)
- The Walgreen Coast, a portion of the coast of Antarctica