Iliescu is a Romanian surname. Notable people with the surname include:
Ilariu Dobridor (born Constantin Iliescu Cioroianu; 1908–1968), Romanian poet, journalist and politician Adriana Iliescu (born 1938), Romanian university lecturer and children's writer Constantin I. Iliescu, Romanian politician Dragoș Iliescu (born 1974), Romanian psychologist Ion Iliescu (1930–2025), Romanian politician and engineer, President of Romania (1989–1996; 2000–2004) Juan Iliesco (1898–1968), Romanian-born Argentine chess player Mihai Iliescu (born 1978), Romanian bobsledder Șerban Iliescu (1956–2016), Romanian linguist and journalist Tiberiu Iliescu (1906–1978), Romanian writer and editor