The 1985 Japanese Formula Two Championship was contested over 8 rounds. 15 teams, 23 drivers, 5 chassis and 3 engines competed.
| Date | Round | Circuit | Winning driver | Winning team | Winning car |
|---|---|---|---|---|---|
| 10/03/1985 | Rd.1 | Suzuka | | Team LeMans | March-BMW 85J |
| 21/04/1985 | Rd.2 | Fuji | | Heros Racing | March-Honda 85J |
| 12/05/1985 | Rd.3 | Mine | | Heros Racing | March-Honda 85J |
| 26/05/1985 | Rd.4 | Suzuka | | Heros Racing | March-Honda 85J |
| 06/07/1985 | Rd.5 | Suzuka | | Hoshino Racing | March-Honda 85J |
| 11/08/1985 | Rd.6 | Fuji | | Team Nova | March-Honda 85J |
| 29/09/1985 | Rd.7 | Suzuka | | Heros Racing | March-Honda 85J |
| 03/11/1985 | Rd.8 | Suzuka | | Heros Racing | March-Honda 85J |
For every race points were awarded: 20 points to the winner, 15 for runner-up, 12 for third place, 10 for fourth place, 8 for fifth place, 6 for sixth place, 4 for seventh place, 3 for eighth place, 2 for ninth place and 1 for tenth place. No additional points were awarded. The best six results count.
R=retired NC=not classified DNS=did not start