Baars is a Dutch language patronymic or toponymic surname. Notable people with the surname include:Ab Baars, Dutch jazz saxophonist and clarinettist
Bernard Baars, Dutch-born American neuroscientist
Conrad Baars (1919–1981), Dutch psychiatrist
Hans Baars-Lindner (1925–2014), German competitive sailor
Henk Baars, Dutch cyclist
Herman Baars (1822–1896), Norwegian governmental official
Jan Baars (1903–1989), Dutch fascist politician and World War II resistance member
Jorina Baars, Dutch kickboxer
Lara Baars, Dutch Paralympic athlete