2021 MotoAmerica Superstock 1000 Championship

The 2021 MotoAmerica Superstock 1000 Championship season was the 7th season of the Stock 1000 class of motorcycle racing within the MotoAmerica series. Cameron Petersen entered the season as the defending champion, but vacated the class to race for the M4 ECSTAR Suzuki Team in the MotoAmerica Superbike class in 2021.

Championship standings
Points are awarded to the top fifteen finishers. A rider has to finish the race to earn points.
 * Scoring system