Radu Mihăileanu (born 23 April 1958) is a Romanian-born French film director and screenwriter. He left Romania in 1980 and graduated the IDHEC cinematographic institute in Paris. In addition to his work in the cinema he published a book of poems in 1987 titled "Une vague en mal de mer". His film "The Source" premiered in competition at the 2011 Cannes Film Festival.