This is a list of Japanese football J3 League transfers in the winter transfer window 2017–18 by club.
Thespakusatsu Gunma
Blaublitz Akita
Azul Claro Numazu
Kagoshima United FC
Nagano Parceiro
FC Ryukyu
Fujieda MYFC
Kataller Toyama
Giravanz Kitakyushu
Fukushima United FC
SC Sagamihara
YSCC Yokohama
Grulla Morioka
Gainare Tottori
References
. Source: