| # | Team | P | W | D | L | GF | GA | GD | Pts | Form |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Kawasaki Frontale | 34 | 26 | 5 | 3 | 88 | 31 | +57 | 83 | WWDDW |
| 2 | Gamba Osaka | 34 | 20 | 5 | 9 | 46 | 42 | +4 | 65 | LWWDL |
| 3 | Nagoya Grampus | 34 | 19 | 6 | 9 | 45 | 28 | +17 | 63 | WDWDW |
| 4 | Cerezo Osaka | 34 | 18 | 6 | 10 | 46 | 37 | +9 | 60 | DLDWW |
| 5 | Kashima | 34 | 18 | 5 | 11 | 55 | 44 | +11 | 59 | DWWLW |
| 6 | FC Tokyo | 34 | 17 | 6 | 11 | 47 | 42 | +5 | 57 | WWDLW |
| 7 | Kashiwa Reysol | 34 | 15 | 7 | 12 | 60 | 46 | +14 | 52 | LWDDL |
| 8 | Sanfrecce Hiroshima | 34 | 13 | 9 | 12 | 46 | 37 | +9 | 48 | LLLDD |
| 9 | Yokohama F. Marinos | 34 | 14 | 5 | 15 | 69 | 59 | +10 | 47 | LLWLL |
| 10 | Urawa | 34 | 13 | 7 | 14 | 43 | 56 | -13 | 46 | LLDLL |
| 11 | Oita Trinita | 34 | 11 | 10 | 13 | 36 | 45 | -9 | 43 | DWDDL |
| 12 | Consadole Sapporo | 34 | 10 | 9 | 15 | 47 | 58 | -11 | 39 | WDLDW |
| 13 | Sagan Tosu | 34 | 7 | 15 | 12 | 37 | 43 | -6 | 36 | DWDDD |
| 14 | Vissel Kobe | 34 | 9 | 9 | 16 | 50 | 59 | -9 | 36 | LLLLL |
| 15 | Yokohama FC | 34 | 9 | 6 | 19 | 38 | 60 | -22 | 33 | WLDDL |
| 16 | Shimizu S-pulse | 34 | 7 | 7 | 20 | 48 | 70 | -22 | 28 | WLLDD |
| 17 | Vegalta Sendai | 34 | 6 | 10 | 18 | 36 | 61 | -25 | 28 | DWWLW |
| 18 | Shonan Bellmare | 34 | 6 | 9 | 19 | 29 | 48 | -19 | 27 | DLDLD |
Player stats
J1 League match stats only.
J1 League match stats only.
Kashima finished 5th in the J1 League in 2020 with 59 points (18W 5D 11L). They scored 55 and conceded 44, a goal difference of +11. The final table, every result and the season's team statistics are below.