Forst-Längenbühl

Infobox Swiss town
subject_name = Forst-Längenbühl
municipality_name = Forst-Längenbühl
municipality_type = municipality
imagepath_coa = Forst Längenbühl-coat of arms.svg


languages = German
canton = Berne
iso-code-region = CH-BE
district = Thun
lat_d=46|lat_m=45|lat_NS=N|long_d=7|long_m=31|long_EW=E
postal_code = 3636
municipality_code =
area = 4.50
elevation = 652|elevation_description=
population = 743|populationof = December 2005 | popofyear = 2005
website =
mayor = |mayor_asof=|mayor_party=
mayor_title = |list_of_mayors =
places = Längenbühl, Forst
demonym =
neighboring_municipalities= Blumenstein, Gurzelen, Thierachern, Uebeschi, Uetendorf, Wattenwil
twintowns = |

Forst-Längenbühl is a municipality in the district of Thun in the canton of Berne in Switzerland. It was formed on January 1, 2007 through the uniting of Längenbühl and Forst.