Goran Klemenčič (born 28 May 1972, in Kranj, Yugoslavia) is a Slovene lawyer and public servant, notable as commissioner of the Commission for the Prevention of Corruption of the Republic of Slovenia.

He worked as a consultant at The European Committee on Crime Problems of the Council of Europe in Strasbourg, and the Organisation for Economic Co-operation and Development (OECD) in Paris.

He also participated in the preparation of the legal bases of the International Criminal Court (ICC) in The Hague.

In 2013, the Commission's 2012–2013 Investigation Report on the parliamentary parties' leaders revealed that Janez Janša, PM, and Zoran Janković, the head of the opposition, systematically and repeatedly violated the law by failing to properly report their assets.

[6] On 29 May 2015 the Supreme Court of Slovenia additionally ruled that all sections regarding Zoran Janković must also be removed for exactly the same reason.