Bau (surname)
- Alexander Bau is a German luger
- Ángeles Moreno Bau is a Spanish diplomat
- Eder Baù, Italian footballer
- Dogodo Bau is a cricketer from Papua New Guinea
- Gabriel Bau, was a Spanish footballer
- Hsin Bau, Taiwanese Buddhist monk and elder of the Fo Guang Shan worldwide
- Joseph Bau, Polish-born Israeli artist, philosopher, inventor, animator, comedian, commercial creator, copy-writer, poet, Holocaust survivor
- Juan Bau is the stage name of Juan Bautista Conca Moya, a Spanish light music singer.
- Luiz Baú, Brazilian serial killer
- Martin Bau is a Slovenian swimmer
- Mathias Bau Hansen is a Danish professional ice hockey
- Mia Bau Hansen,Danish ice hockey player
- Nicholas B. La Bau was an American lawyer and politician
- Ophélie Bau is a French actress
- Sabine Bau is a former German foil fencer.
- Sese Bau is a Papua New Guinean cricketer
- Stefy Bau is an Italian former professional motocross and supercross racer.