Swan Township is one of thirteen townships in Noble County, Indiana. As of the 2020 census, its population was 2,318 (down from 2,399 at 2010) and it contained 935 housing units.
According to the 2010 census, the township has a total area of , of which (or 99.92%) is land and (or 0.08%) is water.
(This list is based on USGS data and may include former settlements.)