Bandt is a surname. It most commonly refers to Adam Bandt (born 1972), an Australian politician and the incumbent leader of the Australian Greens.
Other notable people with the surname include:
- Jean-Pierre De Bandt (born 1934), Belgian lawyer and former President of the Coudenberg group
- Lewis Bandt (1910–1987), Australian car designer
- Ros Bandt (born 1951), Australian composer, sound artist, academic, and performer