Jean-Jacques Dordain (born 14 April 1946) was Director General of the European Space Agency between 2003 and 2015.

[1] Graduating at École Centrale Paris in 1968, Dordain began his scientific career in the French Aerospace Research Agency (ONERA) and later worked as a professor at the National Higher School of Aeronautics and Aerospace in the 1970s and 1980s.

He has conducted extensive research in rocket engines and microgravity experiments.

[1] He also holds the honorary function of Chancellor of the International Space University.

[2] On 1 July 2015, he was succeeded as Director General of the ESA by Johann-Dietrich Woerner of Germany.