Lincoln Township is one of twelve townships in Emmet County, Iowa, USA. As of the 2000 census, its population was 220.
Lincoln Township was created in 1887. It was named for Abraham Lincoln, sixteenth President of the United States.
According to the United States Census Bureau, Lincoln Township covers an area of 28.6 square miles (74.08 square kilometers); of this, 27.14 square miles (70.29 square kilometers, 94.88 percent) is land and 1.46 square miles (3.79 square kilometers, 5.12 percent) is water.
The township contains these two cemeteries: Lincoln Township and Palestine.