Iliescu is a Romanian surname:
Adriana Iliescu (b. 1938), Romanian university lecturer and children's writer
Aristide Iliescu (? – 1942), Romanian sculptor and painter
Constantin C. Iliescu (1892 – 1978), Romanian physician
Constantin I. Iliescu (? – ?), Romanian politician
Ion Iliescu (b. 1930), President of Romania (1992–1996; 2000–2004)
Juan Iliesco (1898 – 1968), Romanian-born Argentine chess player
Mihai Iliescu (b. 1978), Romanian bobsledder
Nicolae Iliescu (b. 1956), Romanian writer and opinion journalist
Octavian Iliescu (1919 – 2009), Romanian numismatist
Șerban Iliescu (1956 – 2016), Romanian linguist and journalist
Valentin Adrian Iliescu (b. 1961), Romanian politician
