Mircea Ionescu-Quintus (Romanian pronunciation: [ˈmirtʃe̯a joˈnesku ˈkvintus]; 18 March 1917 – 15 September 2017) was a Romanian politician who served as a senator and Minister of Justice in the Stolojan Cabinet (1991–1992). He was also the second post-1989 president of the National Liberal Party (PNL) from 1993 to 2001. He also briefly served as Senate President in 2000, during the late part of the Romanian Democratic Convention (CDR) governance. Ionescu-Quintus turned 100 in March 2017,^[1] and died six months later.^[2][3]

Currently, he is the longest serving post-1989 president of the National Liberal Party (PNL), having led the party for 7 years and 11 months between 1993 and 2001.^{[citation needed]}