Cella Delavrancea (15 December 1887 – 9 August 1991) was a Romanian pianist, writer and teacher of piano, eldest daughter of writer Barbu ?tefanescu Delavrancea, sister of architect Henrieta Delavrancea-Gibory, Niculina Delavrancea and "Bebs" Delavrancea, member of the circle of Eugen Lovinescu.
She was married to diplomat Viorel Tilea during World War I (divorced), to Aristide Blank (divorced), to Philippe Lahovary, and was one of the intimate friends of Queen Marie of Romania.
She's also known for her romantic relationship with Nae Ionescu, Romanian logician and politician, spiritual mentor of "Eliade generation".