Lincoln Township is one of thirteen townships in St. Joseph County in the U.S. state of Indiana.

[3] As of the 2000 census, its population was 3,053.

[4] According to the United States Census Bureau, Lincoln Township covers an area of 22.2 square miles (57 km2); of this, 22.19 square miles (57.5 km2) (99.95 percent) is land and 0.01 square miles (0.026 km2) (0.05 percent) is water.

Lincoln Township is served by the Walkerton-Lincoln Township Public Library.

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