André Chassaigne (French pronunciation: [ɑ̃dʁe ʃasɛɲ]; born 2 July 1950) is a French politician who has presided over the Democratic and Republican Left group in the National Assembly since 2012.

[1] A native of Clermont-Ferrand, Chassaigne worked as a middle school principal in Saint-Amant-Roche-Savine from 1981 to 2002.

He became deputy mayor in 1977 before assuming the mayorship from 1983, an office he resigned in 2010.

He was the sole Communist to win a constituency previously held by another party that cycle.

Chassaigne was ranked as the best member of the National Assembly by the magazine Capital in 2017, for his attendance and implication in parliamentary work.