This is a list of Japanese football J1 League transfers in the winter transfer window 2017–18 by club.
J1 League
Kawasaki Frontale
Kashima Antlers
| In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 | Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 
 | 
Cerezo Osaka
| In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 | Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 
 | 
Kashiwa Reysol
| In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 | Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 
 | 
Yokohama F. Marinos
| In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 | Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 
 | 
Júbilo Iwata
| In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 | Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 
 | 
Urawa Red Diamonds
| In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 | Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 
 | 
Sagan Tosu
| In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 | Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 
 | 
Vissel Kobe
| In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 | Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 
 | 
Gamba Osaka
| In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 | Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 
 | 
Consadole Sapporo
| In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 | Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 
 | 
Vegalta Sendai
| In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 | Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 
 | 
FC Tokyo
| In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 | Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 
 | 
Shimizu S-Pulse
| In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 | Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 
 | 
Sanfrecce Hiroshima
| In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 | Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 
 | 
Shonan Bellmare
| In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 | Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 
 | 
V-Varen Nagasaki
| In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 | Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 
 | 
Nagoya Grampus
| In: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 | Out: Note: Flags indicate national team as defined under FIFA eligibility rules. Players may hold more than one non-FIFA nationality. 
 
 | 
References
- ↑ "News".
- ↑ "News".
- ↑ "News".
- ↑ "News".
- ↑ "News".
- ↑ "News".
- ↑ "News".
- ↑ "News".
- ↑ "News".
- ↑ "News".
- ↑ "News".
- ↑ "畑尾 大翔選手、移籍加入のお知らせ". nagoya-grampus.jp (in Japanese). Nagoya Grampus. 5 January 2018. Retrieved 5 January 2018.
- ↑ "櫛引 一紀選手、名古屋グランパスへ完全移籍のお知らせ". nagoya-grampus.jp (in Japanese). Nagoya Grampus. 19 December 2017. Retrieved 20 December 2017.
- ↑ "新井 一耀選手、名古屋グランパスへ完全移籍のお知らせ". nagoya-grampus.jp (in Japanese). Nagoya Grampus. 26 December 2017. Retrieved 29 December 2017.
- ↑ "ジョー選手、移籍加入のお知らせ". nagoya-grampus.jp (in Japanese). Nagoya Grampus. 3 January 2018. Retrieved 3 January 2018.
- ↑ "長谷川 アーリアジャスール選手、移籍加入のお知らせ". nagoya-grampus.jp (in Japanese). Nagoya Grampus. 27 December 2017. Retrieved 29 December 2017.
- ↑ "ガブリエル シャビエル選手プロフィール". nagoya-grampus.jp (in Japanese). Nagoya Grampus. 26 December 2017. Retrieved 29 December 2017.
- ↑ "宮原 和也選手、期限付き移籍延長のお知らせ". nagoya-grampus.jp (in Japanese). Nagoya Grampus. 30 December 2017. Retrieved 30 December 2017.
- ↑ "田口 泰士選手が完全移籍加入". jubilo-iwata.co.jp (in Japanese). Jubilo Iwata. 4 January 2018. Retrieved 5 January 2018.




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