1989–90 Japan Soccer League

Nissan won a second title, spurred by increasing links between the team, its parent company and their hometown, Yokohama. Fujita Industries and Hitachi were relegated.

{{#invoke:sports table|main|style=WDL

|res_col_header=QR

|team1=NIS|name_NIS=Nissan

|team2=YOM|name_YOM=Yomiuri S.C.

|team3=ANA|name_ANA=ANA Club

|team4=FUR|name_FUR=Furukawa Electric

|team5=YAM|name_YAM=Yamaha Motors

|team6=HON|name_HON=Honda

|team7=YAN|name_YAN=Yanmar Diesel

|team8=NKK|name_NKK=Nippon Kokan

|team9=TOS|name_TOS=Toshiba

|team10=MAT|name_MAT=Matsushita Electric

|team11=FJA|name_FJA=Fujita Engineering

|team12=HIT|name_HIT=Hitachi

|win_NIS=14|draw_NIS=5|loss_NIS=3|gf_NIS=44|ga_NIS=26

|win_YOM=13|draw_YOM=7|loss_YOM=2|gf_YOM=36|ga_YOM=16

|win_ANA=11|draw_ANA=7|loss_ANA=4|gf_ANA=34|ga_ANA=19

|win_FUR=10|draw_FUR=8|loss_FUR=4|gf_FUR=25|ga_FUR=16

|win_YAM=9|draw_YAM=7|loss_YAM=6|gf_YAM=23|ga_YAM=19

|win_HON=10|draw_HON=2|loss_HON=10|gf_HON=32|ga_HON=29

|win_YAN=6|draw_YAN=9|loss_YAN=7|gf_YAN=20|ga_YAN=23

|win_NKK=5|draw_NKK=9|loss_NKK=8|gf_NKK=16|ga_NKK=32

|win_TOS=4|draw_TOS=8|loss_TOS=10|gf_TOS=20|ga_TOS=28

|win_MAT=4|draw_MAT=7|loss_MAT=11|gf_MAT=24|ga_MAT=31

|win_FJA=4|draw_FJA=5|loss_FJA=13|gf_FJA=17|ga_FJA=30

|win_HIT=3|draw_HIT=4|loss_HIT=15|gf_HIT=12|ga_HIT=26

|col_ACC=#D0F0C0|text_ACC=1990–91 Asian Club Championship

|result1=ACC

|col_R=#ff9999|text_R=Relegated to Second Division

|result11=R|result12=R

|update=complete|source=

}}

Fallen giant Mitsubishi and struggler Toyota Motors returned to the top flight. Mazda Auto Hiroshima, who had been put as an A-squad to rival its parent company, and Teijin went back to their regional leagues (Chugoku and Shikoku, respectively).

{{#invoke:sports table|main|style=WDL

|res_col_header=PR

|team1=MIT|name_MIT=Mitsubishi Motors

|team2=TYT|name_TYT=Toyota Motors

|team3=MAZ|name_MAZ=Mazda

|team4=KSC|name_KSC=Kyoto Shiko Club

|team5=FJS|name_FJS=Fujitsu

|team6=SUM|name_SUM=Sumitomo

|team7=TAN|name_TAN=Tanabe Pharmaceuticals

|team8=KWS|name_KWS=Kawasaki Steel

|team9=NTT|name_NTT=NTT Kanto

|team10=CSM|name_CSM=Cosmo Oil

|team11=THT|name_THT=Toho Titanium

|team12=KOF|name_KOF=Kofu Club

|team13=YWS|name_YWS=Nippon Steel

|team14=OSK|name_OSK=Osaka Gas

|team15=MAH|name_MAH=Mazda Auto Hiroshima

|team16=TJN|name_TJN=Teijin SC Matsuyama

|win_MIT=22|draw_MIT=4|loss_MIT=4|gf_MIT=89|ga_MIT=25

|win_TYT=22|draw_TYT=3|loss_TYT=5|gf_TYT=84|ga_TYT=26

|win_MAZ=20|draw_MAZ=7|loss_MAZ=3|gf_MAZ=62|ga_MAZ=20

|win_KSC=17|draw_KSC=9|loss_KSC=4|gf_KSC=61|ga_KSC=28

|win_FJS=17|draw_FJS=4|loss_FJS=9|gf_FJS=58|ga_FJS=35

|win_SUM=14|draw_SUM=10|loss_SUM=6|gf_SUM=50|ga_SUM=27

|win_TAN=15|draw_TAN=7|loss_TAN=8|gf_TAN=44|ga_TAN=36

|win_KWS=14|draw_KWS=7|loss_KWS=9|gf_KWS=47|ga_KWS=23

|win_NTT=13|draw_NTT=8|loss_NTT=9|gf_NTT=41|ga_NTT=32

|win_CSM=8|draw_CSM=8|loss_CSM=14|gf_CSM=38|ga_CSM=39

|win_THT=6|draw_THT=9|loss_THT=15|gf_THT=26|ga_THT=56

|win_KOF=5|draw_KOF=9|loss_KOF=16|gf_KOF=25|ga_KOF=51

|win_YWS=7|draw_YWS=3|loss_YWS=20|gf_YWS=29|ga_YWS=68

|win_OSK=5|draw_OSK=4|loss_OSK=21|gf_OSK=17|ga_OSK=78

|win_MAH=3|draw_MAH=3|loss_MAH=24|gf_MAH=30|ga_MAH=87

|win_TJN=2|draw_TJN=5|loss_TJN=23|gf_TJN=16|ga_TJN=86

|col_P=#D0F0C0|text_P=Promoted to First Division

|result1=P|result2=P

|col_R=#ff9999|text_R=Relegated to Regional Leagues

|result15=R|result16=R

|update=complete|source=

}}

{{1989 in Japanese football}}

{{1990 in Japanese football}}

{{Japanese Club Football|group=first}}

{{DEFAULTSORT:1989-90 Japan Soccer League}}

Category:Japan Soccer League seasons

Category:1989 in Japanese football leagues

Category:1990 in Japanese football leagues

Japan Soccer League