Most classic texts in experimental philosophy are now available in French: Vuibert has just published "La philosophie expérimentale," edited by Florian Cova, Julien Dutant, Eddy Nahmias, Joshua Knobe, Shaun Nichols, and myself.
Table of content:
Introduction by F. Cova
Weinberg et al. 2001 on the cross-cultural variation of epistemic intuitions
Machery et al. 2004 on the cross-cultural variation of semantic intuitions
Greene et al. 2001 on the trolley case
Nichols and Mallon 2006 on the trolley case
Knobe 2006 on intentional action
Machery 2008 on intentional action
Nahmias et al. 2006 on free will
Nichols and Knobe 2007 on free will
Knobe and Prinz 2008 on consciousness
Sytsma and Machery 2009 on consciousness
These texts have been translated by a fantastic team of french grad students, post-docs, and professors in philosophy, and each topic is introduced by a short essay.