Ionescu

Ionescu (Francisized as Ionesco or Jonesco) is a Romanian surname, derived from the male given name Ion. It may refer to:

Ionescu

 * Alexandru Ionescu, bobsledder
 * Alexandru Ionescu, socialist militant
 * Cassius Ionescu-Tulcea, mathematician
 * Claudiu Eugen Ionescu, handball player
 * Constantin Al. Ionescu-Caion, journalist
 * Constantin Ionescu, chess grandmaster
 * Corneliu Ionescu, painter
 * Cristian Ionescu, politician
 * Elisabeta Ionescu, Romanian handball player
 * Emanoil Ionescu, soldier
 * Eugen Ionescu, also Eugène Ionesco, absurdist playwright
 * Gheorghe Ionescu, painter
 * Gheorghe Ionescu-Sisești, agronomist
 * Ilarion Ionescu-Galați, violinist and conductor
 * Ion Ionescu de la Brad, agronomist and economist
 * Marian Ionescu, pioneer cardiac surgeon
 * Mircea Ionescu Quintus, politician
 * Nae Ionescu, philosopher
 * Nicolae Ionescu, politician
 * Raicu Ionescu-Rion, socialist journalist, sociologist and art critic
 * Sabrina Ionescu, American basketball player
 * Șerban Ionescu, actor
 * Silviu Ionescu, Romanian diplomat
 * Ștefan Ionescu, ice hockey player
 * Take Ionescu, politician
 * Theodor V. Ionescu, physicist
 * Valentin Ionescu, politician
 * Valeriu Ionescu, writer, published under the name I. Valerian
 * Vali Ionescu, long jumper

Ionesco/Jonesco

 * Carmen Ionesco, Canadian discus thrower of Romanian descent
 * Eugène Ionesco, playwright
 * Eva Ionesco, actress
 * Irina Ionesco, photographer
 * Nicole Jonesco (1923–2008), French actress

Others

 * Sanda Movilă (born Maria Ionescu), novelist
 * N. Porsenna (born Nicu Porsena Ionescu), writer and politician
 * Urmuz (born Dimitrie Dim. Ionescu-Buzeu), writer