Wengi

Infobox Swiss town
subject_name = Wengi
municipality_name = Wengi
municipality_type = municipality
imagepath_coa = Wengi bei Büren-coat of arms.svg|pixel_coa=


languages = German
canton = Berne
iso-code-region = CH-BE
district = Büren
lat_d=47|lat_m=5|lat_NS=N|long_d=7|long_m=24|long_EW=E
postal_code = 3251
municipality_code = 0394
area = 7.10
elevation = 480|elevation_description=
population = 577|populationof = December 2003 | popofyear = 2003
website =
mayor = |mayor_asof=|mayor_party=
mayor_title = |list_of_mayors =
places =
demonym =
neighboring_municipalities= Balm bei Messen (SO), Diessbach bei Büren, Grossaffoltern, Rapperswil, Ruppoldsried, Schnottwil (SO)
twintowns = |

Wengi is a municipality in the district of Büren in the canton of Bern in Switzerland.

It is predominantly (96%) German-speaking.