Bier (surname)
Bier is a German surname, meaning "beer". Notable people with the surname include:
- August Bier, German surgeon and pioneer of anesthesiology
- Martin Bier, German chess player
- Steven Bier Jr., former stage name Madonna Wayne Gacy, former keyboard player for Marilyn Manson
- Susanne Bier, Danish film director
- Vicki Bier, American systems engineer and decision analyst