Guillaume Jannez is a 37-year-old professional football player from FRA. He plays primarily as a Defender. He stands at 196cm tall and weighs 85kg. His preferred foot is Right. His current market value is estimated at 75K €.

His most recent move was a from Concarneau to LA Saint-Colomban Locmine on 2026-07-13.

Throughout the French Championnat National 2025-2026, Guillaume Jannez featured in 20 matches, averaging 1.2 tackles, 1.1 interceptions, and 5.6 clearances per game, while blocking 0.1 shots per game.