Oleksiy Kasyanov or Oleksii Serhiiovych Kasianov (Ukrainian: Олексій Сергійович Касьянов; born 26 August 1985 in Stakhanov is a Ukrainian decathlete.

The TNT – Fortuna Meeting is an annual track and field combined events meeting which takes place at Sletiště Stadium in Kladno, Czech Republic in mid-June. The event, which features a men's decathlon and a women's heptathlon, attracted an audience of 5000 in its inaugural edition in 2007 and saw world record holder Roman Šebrle win the men's competition with a total of 8697 points – the best decathlon performance that year. In 2010 the meeting was given IAAF World Combined Events Challenge status by the International Association of Athletics Federations.