August Edgar Johansen (born July 21, 1905) was a Republican member of the United States House of Representatives from Michigan. He represented Michigan’s 3rd Congressional District and served as a federal legislator during the mid-twentieth century. His tenure in Congress is documented under the bioguide identification number J000109.

Johansen served as a U.S. Representative from January 5, 1955, to January 3, 1965, completing five terms in office. During this decade in the House of Representatives, he participated in national legislative affairs as part of the Republican Party delegation from Michigan. He is recorded as a former officeholder, and available records do not list specific committee assignments, office room, or official contact details for his time in Congress.