Hartford Township is one of twelve townships in Adams County, Indiana. At the 2020 census, its population was 981, up from 872 at the 2010 census.

According to the 2010 census, the township has a total area of 24.08 square miles (62.4 km), of which 24 square miles (62 km) (or 99.67%) is land and 0.08 square miles (0.21 km) (or 0.33%) is water.

• Linn Grove
• Perryville

(This list is based on USGS data and may include former settlements.)

• French Township (north)
• Monroe Township (northeast)
• Wabash Township (east)
• Bearcreek Township, Jay County (southeast)
• Jackson Township, Jay County (south)
• Nottingham Township, Wells County (west)
• Harrison Township, Wells County (northwest)

• SR 116
• SR 218

The township contains these cemeteries: Alberson, Brown (Glendening), Greenwood (also known as Steiner, Linn Grove, or Buena Vista) and Hartford (Stringtown).

• South Adams Schools

• Indiana's 6th congressional district
• State House District 79
• State Senate District 19

• "Hartford Township, Adams County, Indiana". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved September 24, 2009.
• United States Census Bureau 2007 TIGER/Line Shapefiles
• United States National Atlas

• Indiana Township Association
• United Township Association of Indiana