Seward Lake
{{Short description|Lake in Otsego County, New York, United States}}
{{Infobox body of water
| name = Seward Lake
| lake =
| caption =
| pushpin_map = New York
| pushpin_map_caption = Location of Seward Lake within New York State
| image_bathymetry =
| caption_bathymetry=
| location = Otsego County, New York
| coords ={{coord|42|32|23|N|74|50|27|W|region:US-NY_type:waterbody|display=inline,title}}
| type =
| inflow =
| outflow = Schenevus Creek
| catchment =
| basin_countries = United States
| date-built =
| date-flooded =
| length =
| width =
| area = {{convert|28|acre|abbr=on}}
| depth =
| max-depth =
| volume =
| residence_time =
| shore =
| elevation = {{convert|1237|ft|abbr=on}}{{cite gnis
| id = 964884
| name = Hudson Lake
| accessdate = 2018-03-12}}
| frozen =
| islands =
| cities = Schenevus
| reference =
}}
Seward Lake is a small lake in Otsego County, New York. It is located west of Schenevus. Seward Lake drains west via an unnamed stream into Schenevus Creek.