Jason C. Ervin (born May 7, 1974) is an American politician who serves on the Chicago City Council.

Prior to his appointment to the Chicago City Council, he was the village manager of Maywood, Illinois.

[2] He also is a Certified Public Accountant (CPA) and graduate of Morgan Park Academy.

In 2010, Ervin was appointed by mayor Richard M. Daley to replace the retiring Ed Smith as 28th Ward alderman.

Early in Lightfoot's mayoralty Ervin came into conflict with her, but ultimately became one of her strongest City Council allies, and endorsed her for her unsuccessful bid for re-election in the 2023 Chicago mayoral election.