Webster Lake (New Hampshire)

Infobox lake
lake_name = Webster Lake
image_lake =
caption_lake =
image_bathymetry =
caption_bathymetry =
location = Merrimack County, New Hampshire
coords = coord|43|28|10|N|71|41|11|W|type:waterbody_region:US|display=inline,title
type =
inflow = Sucker Brook
outflow = Chance Pond Brook
catchment =
basin_countries = United States
length = convert|1.7|mi|abbr=on|lk=on
width = convert|1.0|mi|abbr=on|lk=on
area = convert|612|acre|km2
depth =
max-depth =
volume =
residence_time =
shore =
elevation = convert|400|ft|abbr=on|lk=on
islands =
cities = Franklin

Webster Lake is a convert|612|acre|km2|sing=on water body in Merrimack County in the central portion of the U.S. state of New Hampshire, in the city of Franklin. Water from Webster Lake flows to the Pemigewasset River shortly above its confluence with the Winnipesaukee River to form the Merrimack.

Webster Lake has two public beaches, one on either side of the lake. These beaches have at least two lifeguards on duty during the summer. Webster Lake is surrounded by forests, and a road goes around the entire lake, allowing frequent views. There is also boating access adjacent to the public beaches. Webster Lake has several types of fish including bass, hornpout, and trout.