Hart Township is one of ten townships in Warrick County, Indiana, United States. As of the 2010 census, its population was 1,626 and it contained 691 housing units.

Hart Township was organized in 1826. The township was named for John Hart, a local judge.

According to the 2010 census, the township has a total area of 41.99 square miles (108.8 km), of which 41.24 square miles (106.8 km) (or 98.21%) is land and 0.75 square miles (1.9 km) (or 1.79%) is water.

• Lynnville

• Eby at 38°08′31″N 87°15′41″W / 38.141992°N 87.261395°W / 38.141992; -87.261395
• Graham Valley at 38°08′58″N 87°17′26″W / 38.149492°N 87.290563°W / 38.149492; -87.290563
• Greenbrier at 38°07′14″N 87°17′01″W / 38.120603°N 87.283618°W / 38.120603; -87.283618
• Stanley at 38°09′52″N 87°21′18″W / 38.164491°N 87.355011°W / 38.164491; -87.355011
• Turpin Hill at 38°08′32″N 87°17′25″W / 38.14227°N 87.290285°W / 38.14227; -87.290285

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

• Monroe Township, Pike County (north)
• Lane Township (east)
• Owen Township (east)
• Boon Township (south)
• Campbell Township (southwest)
• Greer Township (west)
• Barton Township, Gibson County (northwest)

Hart township contains these six cemeteries: Lynnville, Massey, Morrison, Mount Olive, Mt. Zion, and Turpin Hill Cemetery

• Warrick County School Corporation

• Indiana's 8th congressional district
• State House District 74
• State Senate District 50

• United States Census Bureau 2007 TIGER/Line Shapefiles
• United States Board on Geographic Names (GNIS)
• IndianaMap

• Indiana Township Association
• United Township Association of Indiana