The French Swiss project at
http://www.familytreedna.com/public/FrenchSwiss/
welcomes men whose paternal lines (father's father etc.):

(1) lived in the French-speaking part of Switzerland. The map at
http://www.genealogienetz.de/reg/CH/chspra.jpg shows this area in green.

(2) have a surname that held citizenship in a French-speaking Swiss community before 1800 according to the Register of Swiss Surnames at
http://www.hls-dhs-dss.ch/famn/index.php?lg=e

Women, and men whose French Swiss ancestry is from non-paternal lines, may participate by recruiting a male relative who meets the criteria above, to supply a DNA sample.

Surnames in the project (so far) include Beno, Bonjour, Botteron, Cellier, Chatelain, Chiffelle, Clenin, Devaux, Franc, Giauque, Girard, Gueniat, Guillaume, Huguenet, Junod, Maillard, Racine, Rollier, Schiffley, Sunier, Tschiffely

For DNA information in French and other languages, see
http://europe.familytreedna.com/