Richland Township is one of fourteen townships in Miami County, Indiana, United States. As of the 2020 census, its population was 1,108 (down from 1,179 at 2010) and it contained 470 housing units.
Richland Township was organized in 1837. The township was so named on account of their fertile soil.
The Eikenberry Bridge was listed on the National Register of Historic Places in 2006.
According to the 2010 census, the township has a total area of , of which (or 98.73%) is land and (or 1.25%) is water.
The township contains these four cemeteries: Finley, Macedonia, Musselman and Yike.