The 1990 World Rally Championship was the 18th season of the FIA World Rally Championship. The season consisted of 12 rallies. The drivers' world championship was won by Carlos Sainz in a Toyota Celica GT-Four ST165, ahead of Didier Auriol and Juha Kankkunen. The manufacturers' title was won by Lancia, ahead of Toyota and Mitsubishi.
Swedish Rally was cancelled due to warm weather and lack of snow.