Logan Bailly (born 27 December 1985) is a Belgian professional footballer who plays as a goalkeeper. Having started his career at Genk, Bailly has had spells at German Bundesliga side Borussia Mönchengladbach, Scottish Premiership club Celtic and Belgian Pro League side Oud-Heverlee Leuven. A former Belgium international, Bailly has been playing for the Belgian team Mouscron from July 2017- October 1, 2018.
Bailly began his senior career at Genk in 2002 but was loaned out to Beringen-Heusden-Zolder for the duration of the 2003–04 season, along with ten other Genk players. Bailly replaced Jan Moons as Genk's first-choice goalkeeper at the beginning of the 2006–07 season; he played 90 minutes in every single Belgian League match for the club that season. He kept 14 clean sheets and received no bookings. His good performance contributed to Genk's surprising second-place finish.
He joined Borussia Mönchengladbach during the winter of season 2008–09 and immediately adapted to the Bundesliga. He was elected best player of gameday 20 in the league.