The 2021 TCR Japan Touring Car Series season was the third season of the TCR Japan Touring Car Series.
The series supported the 2021 Super Formula Championship.
The calendar was announced on 10 February 2021 with 6 confirmed dates with all rounds held in Japan and supporting the Super Formula Championship.
Bold – Pole Italics – Fastest Lap † – Drivers did not finish the race, but were classified as they completed over 75% of the race distance.
Bold – Pole Italics – Fastest Lap