Garneau may refer to one of the following:
- Chris Garneau, American singer-songwriter
- Marc Garneau, Canadian astronaut and politician
- Louis Garneau, Canadian cyclist
- Francois Xavier Garneau, Canadian poet, civil servant, and politician
- École Secondaire Catholique Garneau, a school in Ottawa, Canada
- Garneau, a neighborhood in Edmonton, Canada
- Garneau Theatre, Edmonton, Canada