The suspects were arrested across France this week after the artwork, an image of a girl in mourning painted on one of the Paris venue’s emergency doors, was found in Italy earlier in the month, judicial and police sources told AFP.
Two were charged with theft while the other four were charged with concealing theft, the sources added. All six were placed in pre-trial detention.
French and Italian police said on June 10 this year that they found the work in an abandoned farmhouse in Italy’s central east Abruzzo region.
One of the French policeman who intervened in the 2015 Bataclan attack was present when the door was found, and was overcome with emotion, according to the French crime unit.
Works by Banksy, known for their distinctive style, irreverent humour and thought-provoking themes, have been found on walls, buildings and bridges from the West Bank to post-Hurricane Katrina New Orleans.
At auction, they have sold for more than $1 million.