1998 Japanese Touring Car Championship season

The 1998 Japanese Touring Car Championship was the 14th edition of the series. It began at Fuji Speedway on 5 April and finished after seven events, also at Fuji Speedway on 8 November. The championship was won for the second time by Masanori Sekiya, driving for Toyota Team TOM's.

Bold - Pole
Italics - Fastest lap

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