| Ventforet Kofu | sort|name|Tatsuma Yoshida The total number of foreign players is restricted to five per club. Clubs can register up to four foreign players for a single match-day squad, of which a maximum of three are allowed from nations outside the Asian Football Confederation. Players from J.League partner nations are exempt from these restrictions.
| Club | Player 1 | Player 2 | Player 3 | Player 4 | Player 5 | Other | Former | | Albirex Niigata | 
Promotion–Relegation Playoffs2018 J.League J1/J2 Play-Offs
Because Machida Zelvia did not own a J1 license for the 2019 season, they were ineligible to participate in the play-offs. Thus, Yokohama FC, finishing third in the season, received a bye into the second round, from which the winner will play the team finishing 16th in J1.
First Semi-Final----
Second Semi-Final----
FinalJúbilo Iwata remains in J1 League. Tokyo Verdy remains in J2 League.
| Rank | Player | Club | Goals | | 1 | 
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