Montedio Yamagata
Ventforet Kofu, Avispa Fukuoka and Montedio Yamagata were relegated at the end of the 2011 season after finishing in the bottom three places of the table. Avispa Fukuoka and Ventforet Kofu returned to J2 after only one season in the top flight, while Montedio Yamagata were relegated after three seasons in J1.