Joannes Antonius Baars (Amsterdam, 30 June 1903 – Andijk, 22 April 1989) was a leading Dutch fascist during the 1930s.During the 1920s Baars emerged as part of the group associated with De Bezem, a fascist journal aimed at the poor. The magazine split in 1930 and Baars supported Alfred Haighton over H.A. Sinclair de Rochemont, joining Haighton's Fascistische Jongeren Bond.