Radovan Siljevski (Serbian Cyrillic: Радован Сиљевски, born 17 July 1986 in Belgrade) is a Serbian swimmer who competed at the 2008 Olympic Games in Beijing and the 2012 Summer Olympics for his native country.

[1] He has also competed at six consecutive SC European Championships (Trieste 2005, Helsinki 2006, Debrecen 2007, Rijeka 2008, Istanbul 2009 and Eindhoven 2010, he also competed at Chartres 2012, Herning 2013), as well as the University Games in Bangkok in 2007 and Belgrade 2009.

A year later the team took 3rd place overall and Radovan picked up two bronze medals and again five golds in the relays.

At the 2008 European Championships (SC) in Rijeka he made the final in the Men's 200m Freestyle, after which he placed 8th, also adding a semi-final place in the 50 m freestyle.

Siljevski holds the national record at 200 m Freestyle for Serbia in Short Course pools.