Klemen Pretnar (born August 31, 1986) is a Slovenian professional ice hockey defenceman who plays for Tölzer Löwen.

In 2012, Pretner signed with EC VSV of the Austrian Hockey League.

[1] On April 15, 2015, Pretnar signed a one-year contract with fellow Austrian club, the Vienna Capitals.

[2] He participated at the 2011 IIHF World Championship as a member of the Slovenia men's national ice hockey team.

[3] This Slovenian biographical article relating to ice hockey is a stub.