Lewis and Clark Township is a township in northwestern St. Louis County, Missouri. The population is over 32,000.

The major municipality in Lewis and Clark Township is Hazelwood.

• U.S. House District 1
• State Senate District 7
• State House District 78

38°48′29″N 90°20′40″W / 38.80806°N 90.34444°W / 38.80806; -90.34444