Statistics of Japan Soccer League in season 1983.
Yomiuri, the football club became one of big names of earlier years of J. League as Verdy Kawasaki, and currently known as Tokyo Verdy, won its first of seven League championships, fully riding in the wave of its parent company's funds and prestige.
Mazda, five-time First Division champions in the 1960s, was relegated for the first time. Hitachi saved itself by defeating Sumitomo in the playout.
NKK returned to the top flight at the first time of asking.
Saitama Teachers went back to the Kanto regional league, and Toho Titanium followed when they lost the playout to Matsushita, a rising club at the time based in Nara which would eventually become Gamba Osaka.