The Aeronca 15AC Sedan is a four-seat, fixed conventional gear light airplane which was produced by Aeronca Aircraft between 1948 and 1951. Designed for personal use, the Sedan also found applications in utility roles including bush flying. The Sedan was the last design that Aeronca put into production and was the largest aircraft produced by the company.

Aeronca, contracted from Aeronautical Corporation of America, located in Middletown, Ohio, is a US manufacturer of engine components and airframe structures for commercial aviation and the defense industry, and a former aircraft manufacturer. From 1928 to 1951, the company was a major producer of general aviation aircraft, and also produced the engines for some of their early designs.