Twelve Mile Lake Township is one of twelve townships in Emmet County, Iowa, USA. As of the 2000 census, its population was 202.

This township is named from the Twelve Mile Lake, which was said to be twelve miles from Estherville.

According to the United States Census Bureau, Twelve Mile Lake Township covers an area of 35.2 square miles (91.17 square kilometers); of this, 34.86 square miles (90.29 square kilometers, 99.03 percent) is land and 0.34 square miles (0.88 square kilometers, 0.97 percent) is water.

• Wallingford (west quarter)

• Raleigh at 43°20′22″N 94°52′08″W / 43.339404°N 94.868876°W / 43.339404; -94.868876

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

• Estherville Township (north)
• Center Township (northeast)
• High Lake Township (east)
• Walnut Township, Palo Alto County (southeast)
• Lost Island Township, Palo Alto County (south)
• Lake Township, Clay County (southwest)
• Lloyd Township, Dickinson County (west)
• Richland Township, Dickinson County (northwest)

• Iowa Highway 4

• Twelvemile Lake

• Estherville Lincoln Central Community School District
• Graettinger-Terril Community School District

• Iowa's 4th congressional district
• State House District 7
• State Senate District 4

• 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