17 January,2018
Japan Rugby Top League 2017-2018: Final Positions
| 1 | Suntory Sungoliath |
| 2 | Panasonic Wild Knights |
| 3 | Yamaha Jubilo |
| 4 | Toyota Verblitz |
| 5 | Kobe Steel Kobelco Steelers |
| 6 | Toshiba Brave Lupus |
| 7 | Ricoh Black Rams |
| 8 | NEC Green Rockets |
| 9 | NTT Communications Shining Arcs |
| 10 | Canon Eagles |
| 11 | Kubota Spears |
| 12 | Toyota Industries Shuttles |
| 13 | Munakata Sanix Blues |
| 14 | Coca-Cola Red Sparks |
| 15 | NTT Docomo Red Hurricanes |
| 16 | Kintetsu Liners |
Kintetsu Liners automatically relegated to Japan Rugby Top Challenge League for 2018-19 as last placed team.
Honda Heat promoted from Japan Rugby Top Challenge League to Top League for 2018-19.