Supplément au voyage de Bougainville

Supplément au voyage de Bougainville, ou dialogue entre A et B sur l'inconvénient d'attacher des idées morales à certaines actions physiques qui n'en comportent pas. ("Addendum to the Journey of Bougainville, or dialogues between A and B on the inconvenients of binding moral ideas to some physical actions which bear none") is a philosophical dialogue published in 1772, and written in reaction to Bougainville's Voyage autour du monde.

Diderot describes dialogues which are pretexts to discuss slavery, colonisation, the Catholic faith and other subjects typical of the Age of Enlightenment.