Buix

{{Infobox Swiss town

| subject_name = Buix

| municipality_type = former

| imagepath_coa = |pixel_coa=

| canton = Jura

| iso-code-region = CH-JU

| district = Porrentruy

|coordinates = {{coord|47|29|N|07|02|E|display=inline,title}}

| postal_code = 2925

| municipality_code = 6777

| area = 8.23

| elevation = 383|elevation_description=

| population = 476|populationof=2003

| website = www.buix.ch

| mayor = Thierry Crétin|mayor_asof=|mayor_party=

| mayor_title = |list_of_mayors =

| places =

| demonym =

| neighboring_municipalities= Montignez, Courtemaîche, Bure, Boncourt, Villars-le-Sec (F), Courcelles (F)

| twintowns =

|}}

Buix is a former municipality in the district of Porrentruy in the canton of Jura in Switzerland.

File:ETH-BIB-Buix-LBS H1-013512.tif

On 1 January 2009 the former municipalities of Buix, Courtemaîche and Montignez merged to form the new municipality of Basse-Allaine.[http://www.bfs.admin.ch/bfs/portal/de/index/infothek/nomenklaturen/blank/blank/gem_liste/03.html Amtliches Gemeindeverzeichnis der Schweiz] published by the Swiss Federal Statistical Office {{in lang|de}} accessed 14 January 2010

The village is situated in a small valley in the middle of which runs the river Allaine.