(D)：Difending Champion
| Date | Championships | Course | Venue | Champion | |
| 4/25 – 4/28 | Asia Golf Circuit EXPO’85 Dunlop International Open Golf Championship | Ibaraki Golf Club West Course | IBARAKI | Tze-Chung Chen | |
| 6/18 – 6/20 | 27th 1985 Japan Women’s Amateur Golf Championship | Ikeda Country Club Satsukidaira/Ayaha Course | OSAKA | Michiko Hattori | |
| 7/4 – 7/7 |  |
18th 1985 Japan Women’s Open Golf Championship | Sodegaura Country Club Sodegaura Course | CHIBA | Yuko Moriguchi |
| 8/7 – 8/8 | 1985 Japan Junior Golf Championship Boys | Kasumigaseki Country Club East Course | SAITAMA | Keiichiro Fukabori | |
| 8/7 – 8/8 | 1985 Japan Junior Golf Championship Junior High School Boys | Kasumigaseki Country Club East Course | SAITAMA | Hiroki Ando | |
| 8/7 – 8/8 | 1985 Japan Junior Golf Championship Girls | Kasumigaseki Country Club East Course | SAITAMA | Mayumi Hirase | |
| 8/8 – 8/9 | 22nd 1985 Japan Women’s Collegiate Golf Championship | Ono Golf Club | HYOGO | Hiroe Tani | |
| 8/21 – 8/22 | 39th 1985 Japan Collegiate Golf Championship | Nakayama Country Club | CHIBA | Tsuyoshi Yoneyama | |
| 9/17 – 9/19 | 70th 1985 Japan Amateur Golf Championship | Oarai Golf Club | IBARAKI | Takahiro Nakagawa | |
| 10/10 – 10/13 | |
50th 1985 Japan Open Golf Championship | Higashi Nagoya Country Club West Course | AICHI | Tsuneyuki Nakajima |
| 10/16 – 10/17 | 7th 1985 Japan Senior Golf Championship | Biwako Country Club Ritto/Mikami Course | SHIGA | Kinji Ando | |