2005 Speedway Grand Prix of Slovenia

The 2005 Speedway Grand Prix of Slovenia was the third round of the 2005 Speedway Grand Prix season (the world championship). It took place on 28 May 2005 at the Matija Gubec Stadium in Krško, (Slovenia).

It was the fourth time that the Speedway Grand Prix of Slovenia had been held.

The Grand Prix was by the Swedish rider Tony Rickardsson (his 16th career Grand Prix win).