The Harry S Truman Birthplace State Historic Site is a state park and historic site in Lamar, Missouri. It is best noted for its association with Harry S. Truman, the 33rd President of the United States of America.

Established in 1957, the Harry S Truman Birthplace State Historic Site traces its roots back to the 1880s, when it was used as a home by the Truman family around the time that the former president was born (1884).

Today, visitors of the Harry S Truman Birthplace State Historic Site can explore the house and have a great look at what homes are like during the formative years of the former president are like. The house is packed with period furnishings that can tell a lot about the family and country?s history.