Julien Lyneel (born 15 April 1990) is a French former professional indoor volleyball player and currently a beach volleyball player.

He was a member of the France national team from 2011 to 2021.

The 2015 European Champion, and a two–time World League winner (2015, 2017).

In July 2015, he signed a contract with the Polish team, Asseco Resovia.

On 18 October 2015, the French national team, including Lyneel, achieved a title of the 2015 European Champion with a 3–0 win against Slovenia in the final.