Szilveszter Csollány (Hungarian: [ˈsilvɛstɛr ˈt͡ʃollaːɲ]; 13 April 1970 – 24 January 2022) was a Hungarian gymnast who won gold in the men's rings at the 2000 Summer Olympics in Sydney.

Csollány won gold in the men's rings at the 2000 Summer Olympics in Sydney with a score of 9.85.

This achievement earned him the title 2000 Hungarian Sportsman of the Year.

Csollány moved to Iceland in 2011 and became a gymnastics coach at Grótta.

[3] His condition became more serious in late November and he was transported from Sopron in Western Hungary to a hospital in the Hungarian capital Budapest.