Joseph Ben Viadère (born 2 September 2005) is a French professional footballer who plays as a forward for Ligue 1 club Auxerre.
In the 2023–24 season, Viadère was part of the Auxerre under-19s that finished as runners-up in the Championnat National U19.
He set up his teammate Rayan Mandengue's opening goal in the final, an eventual 3–1 defeat to Paris Saint-Germain.
[2] He scored another free kick in a 2–0 friendly win over Red Star three days later.
[3] On 25 August, Viadère made his professional and Ligue 1 debut as a substitute in a 2–0 defeat to Nantes.