John Theodore Buckbee (born August 1, 1871) was a Republican member of the United States House of Representatives from Illinois. He represented Illinois’s 12th Congressional District and served as a federal legislator during the late 1920s and 1930s. Buckbee’s congressional career placed him among the historical members of Congress from Illinois during a period of significant national change.

Buckbee began his service in the U.S. House of Representatives on December 5, 1927, and remained in office until January 3, 1937. Over the course of this decade, he served five terms as a Representative, consistently representing the 12th District of Illinois. His role in Congress was defined by his affiliation with the Republican Party, and his tenure marked him as a notable figure in the state’s congressional delegation during that era.