Julien Bayou (born 11 June 1980) is a French activist, lawyer and politician who has represented the 5th constituency of Paris in the National Assembly from 2022 to 2024.

His father was an architect before becoming a healer in Béziers, and his mother, a teacher of economic and social sciences, "a real Maoist", who helped the FLN.

[5] In 2013, he was in charge of campaigns for Avaaz, an NGO which mobilizes on various international issues, such as climate change, human rights, corruption and poverty.

It is in this context that he takes part in the campaign to liberate the young Sevil Sevimli, a Franco-Turkish student imprisoned in Turkey for having participated in a concert.

He wins his seat representing the 5th constituency of Paris and is then elected as co-president of the green parliamentary group in the National Assembly.