Ian Brossat (born 23 April 1980) is a French politician.
Since 2008 he has been a member of the Paris Council representing the 18th arrondissement, elected as a Communist.
He unsuccessfully stood for election to the National Assembly in 2012, losing to Daniel Vaillant.Brossat is the son of Alain Brossat, philosopher and professor at University of Paris VIII, and Swedish-born Sylvia Klingberg.
Brossat's grandfather Marcus Klingberg was a Polish-born Israeli epidemiologist, who was convicted of spying for the Soviet Union.Brossat graduated from the École normale supérieure de Lyon.