The 1990 Swedish speedway season was the 1990 season of motorcycle speedway in Sweden.
The 1990 Swedish Individual Speedway Championship final was held in Stockholm on 22 September. Tony Rickardsson won the Swedish Championship for the first time.
Joakim Karlsson won the U21 championship.
Indianerna won the Elitserien and were declared the winners of the Swedish Speedway Team Championship for the first time. The Indianerna team included Henrik Gustafsson, Christer Rohlén, Lars Gunnestad, Simon Wigg and Stefan Dannö.
Eskilstuna and Karlstad merged for the 1990 season. Skepparna won the first division, while Masarna and Korparna won the second division north and south respectively.