Athletics at the 2000 Summer Olympics – Men's discus throw

The men's discus throw event at the 2000 Summer Olympics as part of the athletics program was held at the Olympic Stadium on Sunday, 24 September and Monday, 25 September. Forty-five athletes from 28 nations competed. The event was won by Virgilijus Alekna of Lithuania, the nation's second victory in the men's discus throw. Lars Riedel of Germany took silver, becoming the 13th man to win multiple discus throw medals. Frantz Kruger earned South Africa's first medal in the event with his bronze.

The qualifying athletes progressed through to the final where the qualifying distances are scrapped and they start afresh with up to six throws. The qualifying distance was 64.00 metres. For all qualifiers who did not achieve the standard, the remaining spaces in the final were filled by the longest throws until a total of 12 qualifiers.