Nano Ružin (Macedonian Cyrillic: ???? ?????) (born 31 July 1952 in Skopje) is a Macedonian professor of political and social sciences, Ex-Macedonian Ambassador to Nato, and was the presidential candidate of the Liberal Democratic Party (LDP) for the Macedonian presidential election in 2009, the first round of which took place on 22 March 2009.