The 2020 ARCA Menards Series East was the 34th season of the ARCA Menards Series East, a regional stock car racing series sanctioned by NASCAR. It began on February 10 at New Smyrna Speedway with the Skip's Western Outfitters 175, and concluded on October 11 at Five Flags Speedway with the Pensacola 200. 2020 marked the first season the series was known as the ARCA Menards Series East, after it was known as the NASCAR K&N Pro Series East for the previous ten years.

The ARCA Menards Series East is a regional stock car racing series owned and operated by the Automobile Racing Club of America (ARCA) and the National Association for Stock Car Auto Racing (NASCAR).