Otterville Township is one of fourteen townships in Cooper County, Missouri, USA. As of the 2000 census, its population was 913.

According to the United States Census Bureau, Otterville Township covers an area of 27.24 square miles (70.56 square kilometers); of this, 27.24 square miles (70.55 square kilometers, 99.99 percent) is land and 0.01 square miles (0.02 square kilometers, 0.03 percent) is water.

• Otterville

• Clifton City at 38°45′53″N 93°02′29″W / 38.76474°N 93.041310°W / 38.76474; -93.041310

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

• Clear Creek Township (north)
• Lebanon Township (east)
• Richland Township, Morgan County (south)
• Smithton Township, Pettis County (southwest)
• Bowling Green Township, Pettis County (west)
• Heath Creek Township, Pettis County (northwest)

The township contains these two cemeteries: Saint Josephs and Shackleford.

• U.S. Route 50
• Route 135

• Otterville R-Vi
• Pilot Grove C-4
• Smithton R-Vi

• Missouri's 6th congressional district
• State House District 117
• State House District 118
• State Senate District 21
• State Senate District 28

• United States Census Bureau 2008 TIGER/Line Shapefiles
• United States Board on Geographic Names (GNIS)
• United States National Atlas

• US-Counties.com
• City-Data.com